55020632136 has 64 divisors (see below), whose sum is σ = 147164836800. Its totient is φ = 17090092800.

The previous prime is 55020632123. The next prime is 55020632179. The reversal of 55020632136 is 63123602055.

55020632136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55020632097 and 55020632106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961195 + ... + 1016826.

It is an arithmetic number, because the mean of its divisors is an integer number (2299450575).

Almost surely, 2^55020632136 is an apocalyptic number.

It is an amenable number.

55020632136 is an abundant number, since it is smaller than the sum of its proper divisors (92144204664).

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

55020632136 is a wasteful number, since it uses less digits than its factorization.

55020632136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978110 (or 1978106 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 55020632136 in words is "fifty-five billion, twenty million, six hundred thirty-two thousand, one hundred thirty-six".