56757427 has 16 divisors (see below), whose sum is σ = 61189120. Its totient is φ = 52488000.

The previous prime is 56757413. The next prime is 56757431. The reversal of 56757427 is 72475765.

It is a cyclic number.

It is not a de Polignac number, because 56757427 - 2⁷ = 56757299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56752427) 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, 209302 + ... + 209572.

It is an arithmetic number, because the mean of its divisors is an integer number (3824320).

Almost surely, 2^56757427 is an apocalyptic number.

56757427 is a deficient number, since it is larger than the sum of its proper divisors (4431693).

56757427 is a wasteful number, since it uses less digits than its factorization.

56757427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its digits is 411600, while the sum is 43.

The square root of 56757427 is about 7533.7525178360. The cubic root of 56757427 is about 384.3034055916.

The spelling of 56757427 in words is "fifty-six million, seven hundred fifty-seven thousand, four hundred twenty-seven".