56656957 has 16 divisors (see below), whose sum is σ = 66955392. Its totient is φ = 46932480.

The previous prime is 56656927. The next prime is 56656973. The reversal of 56656957 is 75965665.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-56656957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56656957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56656927) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31558 + ... + 33304.

It is an arithmetic number, because the mean of its divisors is an integer number (4184712).

Almost surely, 2^56656957 is an apocalyptic number.

It is an amenable number.

56656957 is a deficient number, since it is larger than the sum of its proper divisors (10298435).

56656957 is a wasteful number, since it uses less digits than its factorization.

56656957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908.

The product of its digits is 1701000, while the sum is 49.

The square root of 56656957 is about 7527.0815725618. The cubic root of 56656957 is about 384.0765115373.

The spelling of 56656957 in words is "fifty-six million, six hundred fifty-six thousand, nine hundred fifty-seven".