56208816 has 140 divisors (see below), whose sum is σ = 168059680. Its totient is φ = 18195840.

The previous prime is 56208787. The next prime is 56208829. The reversal of 56208816 is 61880265.

It is a happy number.

56208816 is a `hidden beast` number, since 562 + 0 + 88 + 16 = 666.

It is a super-2 number, since 2×56208816² = 6318861992243712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 711465 + ... + 711543.

Almost surely, 2^56208816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56208816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84029840).

56208816 is an abundant number, since it is smaller than the sum of its proper divisors (111850864).

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

56208816 is an equidigital number, since it uses as much as digits as its factorization.

56208816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 56208816 is about 7497.2538972613. The cubic root of 56208816 is about 383.0611831803.

The spelling of 56208816 in words is "fifty-six million, two hundred eight thousand, eight hundred sixteen".