55165001016620 has 48 divisors (see below), whose sum is σ = 126392269068576. Its totient is φ = 20057735808000.

The previous prime is 55165001016581. The next prime is 55165001016677. The reversal of 55165001016620 is 2661010056155.

It is a happy number.

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, 12199661 + ... + 16098500.

It is an arithmetic number, because the mean of its divisors is an integer number (2633172272262).

Almost surely, 2^{55165001016620} is an apocalyptic number.

It is an amenable number.

55165001016620 is an abundant number, since it is smaller than the sum of its proper divisors (71227268051956).

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

55165001016620 is a wasteful number, since it uses less digits than its factorization.

55165001016620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28307042 (or 28307040 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 55165001016620 in words is "fifty-five trillion, one hundred sixty-five billion, one million, sixteen thousand, six hundred twenty".