56450720 has 24 divisors (see below), whose sum is σ = 133365204. Its totient is φ = 22580224.

The previous prime is 56450711. The next prime is 56450731. The reversal of 56450720 is 2705465.

It can be written as a sum of positive squares in 2 ways, for example, as 56370064 + 80656 = 7508^2 + 284^2 .

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, 176249 + ... + 176568.

Almost surely, 2^56450720 is an apocalyptic number.

It is an amenable number.

56450720 is an abundant number, since it is smaller than the sum of its proper divisors (76914484).

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

56450720 is a wasteful number, since it uses less digits than its factorization.

56450720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352832 (or 352824 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 56450720 is about 7513.3694172455. The cubic root of 56450720 is about 383.6099192699.

The spelling of 56450720 in words is "fifty-six million, four hundred fifty thousand, seven hundred twenty".