56743520 has 24 divisors (see below), whose sum is σ = 134056944. Its totient is φ = 22697344.

The previous prime is 56743493. The next prime is 56743541. The reversal of 56743520 is 2534765.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177164 + ... + 177483.

It is an arithmetic number, because the mean of its divisors is an integer number (5585706).

Almost surely, 2^56743520 is an apocalyptic number.

It is an amenable number.

56743520 is an abundant number, since it is smaller than the sum of its proper divisors (77313424).

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

56743520 is a wasteful number, since it uses less digits than its factorization.

56743520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354662 (or 354654 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 56743520 is about 7532.8294816755. The cubic root of 56743520 is about 384.2720150212.

The spelling of 56743520 in words is "fifty-six million, seven hundred forty-three thousand, five hundred twenty".