56720754 has 12 divisors (see below), whose sum is σ = 122895006. Its totient is φ = 18906912.

The previous prime is 56720743. The next prime is 56720779. The reversal of 56720754 is 45702765.

56720754 is a `hidden beast` number, since 567 + 20 + 75 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56655729 + 65025 = 7527^2 + 255^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1575559 + ... + 1575594.

Almost surely, 2^56720754 is an apocalyptic number.

56720754 is an abundant number, since it is smaller than the sum of its proper divisors (66174252).

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

56720754 is a wasteful number, since it uses less digits than its factorization.

56720754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151161 (or 3151158 counting only the distinct ones).

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

The square root of 56720754 is about 7531.3182113094. The cubic root of 56720754 is about 384.2206170411.

It can be divided in two parts, 567 and 20754, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 56720754 in words is "fifty-six million, seven hundred twenty thousand, seven hundred fifty-four".