56201516 has 24 divisors (see below), whose sum is σ = 115019520. Its totient is φ = 23525712.

The previous prime is 56201513. The next prime is 56201521. The reversal of 56201516 is 61510265.

It is a super-2 number, since 2×56201516² = 6317220801396512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56201513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22136 + ... + 24543.

It is an arithmetic number, because the mean of its divisors is an integer number (4792480).

Almost surely, 2^56201516 is an apocalyptic number.

It is an amenable number.

56201516 is an abundant number, since it is smaller than the sum of its proper divisors (58818004).

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

56201516 is a wasteful number, since it uses less digits than its factorization.

56201516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46733 (or 46731 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 56201516 is about 7496.7670365298. The cubic root of 56201516 is about 383.0445993779.

The spelling of 56201516 in words is "fifty-six million, two hundred one thousand, five hundred sixteen".