56641608 has 48 divisors (see below), whose sum is σ = 154943100. Its totient is φ = 18691200.

The previous prime is 56641591. The next prime is 56641639. The reversal of 56641608 is 80614665.

56641608 is a `hidden beast` number, since 5 + 6 + 6 + 41 + 608 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50381604 + 6260004 = 7098^2 + 2502^2 .

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 11 ways as a sum of consecutive naturals, for example, 3378 + ... + 11166.

Almost surely, 2^56641608 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 56641608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77471550).

56641608 is an abundant number, since it is smaller than the sum of its proper divisors (98301492).

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

56641608 is a wasteful number, since it uses less digits than its factorization.

56641608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902 (or 7895 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 56641608 is about 7526.0619184272. The cubic root of 56641608 is about 384.0418248714.

The spelling of 56641608 in words is "fifty-six million, six hundred forty-one thousand, six hundred eight".