56713920 has 56 divisors (see below), whose sum is σ = 180069744. Its totient is φ = 15123456.

The previous prime is 56713903. The next prime is 56713931. The reversal of 56713920 is 2931765.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28579 + ... + 30498.

Almost surely, 2^56713920 is an apocalyptic number.

It is an amenable number.

56713920 is an abundant number, since it is smaller than the sum of its proper divisors (123355824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56713920 is a wasteful number, since it uses less digits than its factorization.

56713920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59097 (or 59087 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 56713920 is about 7530.8644922080. The cubic root of 56713920 is about 384.2051854811.

It can be divided in two parts, 5671 and 3920, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 56713920 in words is "fifty-six million, seven hundred thirteen thousand, nine hundred twenty".