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55629392 = 2471322939
BaseRepresentation
bin1101010000110…
…1011001010000
310212200021011212
43110031121100
5103220120032
65304155252
71243561550
oct324153120
9125607155
1055629392
1129446205
1216768b28
13b6a9800
147561160
154d3cbb2
hex350d650

55629392 has 60 divisors (see below), whose sum is σ = 133428960. Its totient is φ = 21999744.

The previous prime is 55629347. The next prime is 55629419. The reversal of 55629392 is 29392655.

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 11 ways as a sum of consecutive naturals, for example, 17459 + ... + 20397.

It is an arithmetic number, because the mean of its divisors is an integer number (2223816).

Almost surely, 255629392 is an apocalyptic number.

55629392 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55629392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66714480).

55629392 is an abundant number, since it is smaller than the sum of its proper divisors (77799568).

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

55629392 is a wasteful number, since it uses less digits than its factorization.

55629392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2961 counting only the distinct ones).

The product of its digits is 145800, while the sum is 41.

The square root of 55629392 is about 7458.5113796253. The cubic root of 55629392 is about 381.7403826095.

The spelling of 55629392 in words is "fifty-five million, six hundred twenty-nine thousand, three hundred ninety-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 169 182 208 338 364 676 728 1183 1352 1456 2366 2704 2939 4732 5878 9464 11756 18928 20573 23512 38207 41146 47024 76414 82292 152828 164584 267449 305656 329168 496691 534898 611312 993382 1069796 1986764 2139592 3476837 3973528 4279184 6953674 7947056 13907348 27814696 55629392