56137608 has 36 divisors (see below), whose sum is σ = 152211735. Its totient is φ = 18691344.

The previous prime is 56137597. The next prime is 56137633. The reversal of 56137608 is 80673165.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

56137608 is a `hidden beast` number, since 561 + 37 + 60 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28068804 + 28068804 = 5298^2 + 5298^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5298.

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 8 ways as a sum of consecutive naturals, for example, 63135 + ... + 64017.

Almost surely, 2^56137608 is an apocalyptic number.

It is an amenable number.

56137608 is an abundant number, since it is smaller than the sum of its proper divisors (96074127).

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

56137608 is an equidigital number, since it uses as much as digits as its factorization.

56137608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 56137608 is about 7492.5034534527. The cubic root of 56137608 is about 382.8993547852.

The spelling of 56137608 in words is "fifty-six million, one hundred thirty-seven thousand, six hundred eight".