56064657 has 48 divisors (see below), whose sum is σ = 89957952. Its totient is φ = 30689280.

The previous prime is 56064643. The next prime is 56064661. The reversal of 56064657 is 75646065.

It is not a de Polignac number, because 56064657 - 2¹⁶ = 55999121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56064637) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 767973 + ... + 768045.

It is an arithmetic number, because the mean of its divisors is an integer number (1874124).

Almost surely, 2^56064657 is an apocalyptic number.

It is an amenable number.

56064657 is a deficient number, since it is larger than the sum of its proper divisors (33893295).

56064657 is a wasteful number, since it uses less digits than its factorization.

56064657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 56064657 is about 7487.6336048180. The cubic root of 56064657 is about 382.7334232455.

The spelling of 56064657 in words is "fifty-six million, sixty-four thousand, six hundred fifty-seven".