55512165622 has 32 divisors (see below), whose sum is σ = 86202295200. Its totient is φ = 26799379200.

The previous prime is 55512165601. The next prime is 55512165641. The reversal of 55512165622 is 22656121555.

It is a congruent 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, 1490872 + ... + 1527652.

It is an arithmetic number, because the mean of its divisors is an integer number (2693821725).

Almost surely, 2^55512165622 is an apocalyptic number.

55512165622 is a deficient number, since it is larger than the sum of its proper divisors (30690129578).

55512165622 is a wasteful number, since it uses less digits than its factorization.

55512165622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37072.

The product of its digits is 180000, while the sum is 40.

The spelling of 55512165622 in words is "fifty-five billion, five hundred twelve million, one hundred sixty-five thousand, six hundred twenty-two".