55535688 has 48 divisors (see below), whose sum is σ = 161981820. Its totient is φ = 17087616.

The previous prime is 55535677. The next prime is 55535729. The reversal of 55535688 is 88653555.

55535688 is a `hidden beast` number, since 55 + 535 + 68 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52969284 + 2566404 = 7278^2 + 1602^2 .

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, 28731 + ... + 30602.

Almost surely, 2^55535688 is an apocalyptic number.

It is an amenable number.

55535688 is an abundant number, since it is smaller than the sum of its proper divisors (106446132).

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

55535688 is a wasteful number, since it uses less digits than its factorization.

55535688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59358 (or 59351 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The square root of 55535688 is about 7452.2270496812. The cubic root of 55535688 is about 381.5259234137.

The spelling of 55535688 in words is "fifty-five million, five hundred thirty-five thousand, six hundred eighty-eight".