56502216 has 24 divisors (see below), whose sum is σ = 153027030. Its totient is φ = 18834048.

The previous prime is 56502139. The next prime is 56502233. The reversal of 56502216 is 61220565.

56502216 is a `hidden beast` number, since 5 + 650 + 2 + 2 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39312900 + 17189316 = 6270^2 + 4146^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 56502216.

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, 392305 + ... + 392448.

Almost surely, 2^56502216 is an apocalyptic number.

It is an amenable number.

56502216 is an abundant number, since it is smaller than the sum of its proper divisors (96524814).

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

56502216 is a wasteful number, since it uses less digits than its factorization.

56502216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784765 (or 784758 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 56502216 is about 7516.7955938684. The cubic root of 56502216 is about 383.7265305526.

The spelling of 56502216 in words is "fifty-six million, five hundred two thousand, two hundred sixteen".