55690902 has 20 divisors (see below), whose sum is σ = 124789236. Its totient is φ = 18563580.

The previous prime is 55690879. The next prime is 55690903. The reversal of 55690902 is 20909655.

55690902 is a `hidden beast` number, since 5 + 569 + 0 + 90 + 2 = 666.

55690902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55690903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 171724 + ... + 172047.

Almost surely, 2^55690902 is an apocalyptic number.

55690902 is an abundant number, since it is smaller than the sum of its proper divisors (69098334).

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

55690902 is a wasteful number, since it uses less digits than its factorization.

55690902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343785 (or 343776 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 55690902 is about 7462.6337173950. The cubic root of 55690902 is about 381.8810288942.

The spelling of 55690902 in words is "fifty-five million, six hundred ninety thousand, nine hundred two".