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55374957 = 3211559343
BaseRepresentation
bin1101001100111…
…1010001101101
310212012100011100
43103033101231
5103133444312
65254513313
71241452011
oct323172155
9125170140
1055374957
1129292030
1216665839
13b61aa61
1474d6541
154cdc5dc
hex34cf46d

55374957 has 12 divisors (see below), whose sum is σ = 87257664. Its totient is φ = 33560520.

The previous prime is 55374941. The next prime is 55375003. The reversal of 55374957 is 75947355.

55374957 is a `hidden beast` number, since 553 + 7 + 4 + 95 + 7 = 666.

It is not a de Polignac number, because 55374957 - 24 = 55374941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55374937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279573 + ... + 279770.

It is an arithmetic number, because the mean of its divisors is an integer number (7271472).

Almost surely, 255374957 is an apocalyptic number.

It is an amenable number.

55374957 is a deficient number, since it is larger than the sum of its proper divisors (31882707).

55374957 is a wasteful number, since it uses less digits than its factorization.

55374957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559360 (or 559357 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The square root of 55374957 is about 7441.4351438415. The cubic root of 55374957 is about 381.1574978663.

The spelling of 55374957 in words is "fifty-five million, three hundred seventy-four thousand, nine hundred fifty-seven".

Divisors: 1 3 9 11 33 99 559343 1678029 5034087 6152773 18458319 55374957