56257874 has 4 divisors (see below), whose sum is σ = 84386814. Its totient is φ = 28128936.

The previous prime is 56257849. The next prime is 56257891. The reversal of 56257874 is 47875265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48930025 + 7327849 = 6995^2 + 2707^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14064467 + ... + 14064470.

Almost surely, 2^56257874 is an apocalyptic number.

56257874 is a deficient number, since it is larger than the sum of its proper divisors (28128940).

56257874 is a wasteful number, since it uses less digits than its factorization.

56257874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28128939.

The product of its digits is 470400, while the sum is 44.

The square root of 56257874 is about 7500.5249149643. The cubic root of 56257874 is about 383.1725936455.

The spelling of 56257874 in words is "fifty-six million, two hundred fifty-seven thousand, eight hundred seventy-four".