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55236654 = 23411139223
BaseRepresentation
bin1101001010110…
…1100000101110
310211221022110000
43102231200232
5103120033104
65251525130
71240334544
oct322554056
9124838400
1055236654
11291a8130
12165b97a6
13b59cb15
14749bd94
154cb1639
hex34ad82e

55236654 has 80 divisors (see below), whose sum is σ = 136604160. Its totient is φ = 16543440.

The previous prime is 55236631. The next prime is 55236661. The reversal of 55236654 is 45663255.

It is a happy number.

55236654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 247587 + ... + 247809.

It is an arithmetic number, because the mean of its divisors is an integer number (1707552).

Almost surely, 255236654 is an apocalyptic number.

55236654 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55236654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68302080).

55236654 is an abundant number, since it is smaller than the sum of its proper divisors (81367506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55236654 is a wasteful number, since it uses less digits than its factorization.

55236654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 378 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 55236654 is about 7432.1365703275. The cubic root of 55236654 is about 380.8399104225.

The spelling of 55236654 in words is "fifty-five million, two hundred thirty-six thousand, six hundred fifty-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 139 162 198 223 278 297 417 446 594 669 834 891 1251 1338 1529 1782 2007 2453 2502 3058 3753 4014 4587 4906 6021 7359 7506 9174 11259 12042 13761 14718 18063 22077 22518 27522 30997 36126 41283 44154 61994 66231 82566 92991 123849 132462 185982 198693 247698 278973 340967 397386 557946 681934 836919 1022901 1673838 2045802 2510757 3068703 5021514 6137406 9206109 18412218 27618327 55236654