56731402 has 16 divisors (see below), whose sum is σ = 104735232. Its totient is φ = 22443120.

The previous prime is 56731399. The next prime is 56731417. The reversal of 56731402 is 20413765.

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, 155674 + ... + 156037.

It is an arithmetic number, because the mean of its divisors is an integer number (6545952).

Almost surely, 2^56731402 is an apocalyptic number.

56731402 is a deficient number, since it is larger than the sum of its proper divisors (48003830).

56731402 is a wasteful number, since it uses less digits than its factorization.

56731402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311733.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 56731402 is about 7532.0250928950. The cubic root of 56731402 is about 384.2446583597.

The spelling of 56731402 in words is "fifty-six million, seven hundred thirty-one thousand, four hundred two".