56205516 has 48 divisors (see below), whose sum is σ = 135472736. Its totient is φ = 18123264.

The previous prime is 56205503. The next prime is 56205521. The reversal of 56205516 is 61550265.

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, 122760 + ... + 123216.

Almost surely, 2^56205516 is an apocalyptic number.

It is an amenable number.

56205516 is an abundant number, since it is smaller than the sum of its proper divisors (79267220).

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

56205516 is a wasteful number, since it uses less digits than its factorization.

56205516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 56205516 is about 7497.0338134492. The cubic root of 56205516 is about 383.0536865708.

The spelling of 56205516 in words is "fifty-six million, two hundred five thousand, five hundred sixteen".