56411257 has 16 divisors (see below), whose sum is σ = 66107520. Its totient is φ = 47138688.

The previous prime is 56411213. The next prime is 56411263. The reversal of 56411257 is 75211465.

It is a cyclic number.

It is not a de Polignac number, because 56411257 - 2⁷ = 56411129 is a prime.

It is a Duffinian number.

Its product of digits (8400) is a multiple of the sum of its prime divisors (1200).

It is not an unprimeable number, because it can be changed into a prime (56411297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56083 + ... + 57079.

It is an arithmetic number, because the mean of its divisors is an integer number (4131720).

Almost surely, 2^56411257 is an apocalyptic number.

It is an amenable number.

56411257 is a deficient number, since it is larger than the sum of its proper divisors (9696263).

56411257 is a wasteful number, since it uses less digits than its factorization.

56411257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its digits is 8400, while the sum is 31.

The square root of 56411257 is about 7510.7427728554. The cubic root of 56411257 is about 383.5205083807.

The spelling of 56411257 in words is "fifty-six million, four hundred eleven thousand, two hundred fifty-seven".