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55627344 = 2433128767
BaseRepresentation
bin1101010000110…
…0111001010000
310212200011101000
43110030321100
5103220033334
65304142000
71243552563
oct324147120
9125604330
1055627344
1129444713
1216767900
13b6a88b6
1475604da
154d3c299
hex350ce50

55627344 has 40 divisors (see below), whose sum is σ = 159672320. Its totient is φ = 18542304.

The previous prime is 55627339. The next prime is 55627381. The reversal of 55627344 is 44372655.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55627299 and 55627308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63952 + ... + 64815.

It is an arithmetic number, because the mean of its divisors is an integer number (3991808).

Almost surely, 255627344 is an apocalyptic number.

55627344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55627344 is an abundant number, since it is smaller than the sum of its proper divisors (104044976).

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

55627344 is a wasteful number, since it uses less digits than its factorization.

55627344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128784 (or 128772 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 55627344 is about 7458.3740855497. The cubic root of 55627344 is about 381.7356979523.

Adding to 55627344 its reverse (44372655), we get a palindrome (99999999).

The spelling of 55627344 in words is "fifty-five million, six hundred twenty-seven thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 128767 257534 386301 515068 772602 1030136 1158903 1545204 2060272 2317806 3090408 3476709 4635612 6180816 6953418 9271224 13906836 18542448 27813672 55627344