56257047 has 36 divisors (see below), whose sum is σ = 103129416. Its totient is φ = 29221920.

The previous prime is 56257027. The next prime is 56257087. The reversal of 56257047 is 74075265.

56257047 is a `hidden beast` number, since 562 + 57 + 0 + 47 = 666.

It is not a de Polignac number, because 56257047 - 2¹¹ = 56254999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56257007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 948 + ... + 10649.

It is an arithmetic number, because the mean of its divisors is an integer number (2864706).

Almost surely, 2^56257047 is an apocalyptic number.

56257047 is a deficient number, since it is larger than the sum of its proper divisors (46872369).

56257047 is a wasteful number, since it uses less digits than its factorization.

56257047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628 (or 11618 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 56257047 is about 7500.4697852868. The cubic root of 56257047 is about 383.1707160696.

The spelling of 56257047 in words is "fifty-six million, two hundred fifty-seven thousand, forty-seven".