56355530 has 32 divisors (see below), whose sum is σ = 126472320. Its totient is φ = 17565120.

The previous prime is 56355517. The next prime is 56355547. The reversal of 56355530 is 3555365.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35825 + ... + 37364.

It is an arithmetic number, because the mean of its divisors is an integer number (3952260).

Almost surely, 2^56355530 is an apocalyptic number.

56355530 is an abundant number, since it is smaller than the sum of its proper divisors (70116790).

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

56355530 is a wasteful number, since it uses less digits than its factorization.

56355530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73214.

The product of its (nonzero) digits is 33750, while the sum is 32.

The square root of 56355530 is about 7507.0320366973. The cubic root of 56355530 is about 383.3941772777.

The spelling of 56355530 in words is "fifty-six million, three hundred fifty-five thousand, five hundred thirty".