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55979472 = 2431961381
BaseRepresentation
bin1101010110001…
…0110111010000
310220100001101210
43111202313100
5103312320342
65315500120
71246550313
oct325426720
9126301353
1055979472
112966522a
12168b7640
13b79cc63
14761297a
154dab79c
hex3562dd0

55979472 has 40 divisors (see below), whose sum is σ = 152227360. Its totient is φ = 17677440.

The previous prime is 55979471. The next prime is 55979477. The reversal of 55979472 is 27497955.

55979472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55979471) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29779 + ... + 31602.

It is an arithmetic number, because the mean of its divisors is an integer number (3805684).

Almost surely, 255979472 is an apocalyptic number.

It is an amenable number.

55979472 is an abundant number, since it is smaller than the sum of its proper divisors (96247888).

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

55979472 is a wasteful number, since it uses less digits than its factorization.

55979472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61411 (or 61405 counting only the distinct ones).

The product of its digits is 793800, while the sum is 48.

The square root of 55979472 is about 7481.9430631354. The cubic root of 55979472 is about 382.5394824467.

The spelling of 55979472 in words is "fifty-five million, nine hundred seventy-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 61381 122762 184143 245524 368286 491048 736572 982096 1166239 1473144 2332478 2946288 3498717 4664956 6997434 9329912 13994868 18659824 27989736 55979472