55165555674 has 24 divisors (see below), whose sum is σ = 123381028992. Its totient is φ = 17795340360.

The previous prime is 55165555651. The next prime is 55165555691. The reversal of 55165555674 is 47655556155.

55165555674 is a `hidden beast` number, since 5 + 5 + 16 + 5 + 5 + 556 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55165555674.

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, 49430944 + ... + 49432059.

It is an arithmetic number, because the mean of its divisors is an integer number (5140876208).

Almost surely, 2^55165555674 is an apocalyptic number.

55165555674 is an abundant number, since it is smaller than the sum of its proper divisors (68215473318).

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

55165555674 is a wasteful number, since it uses less digits than its factorization.

55165555674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98863042 (or 98863039 counting only the distinct ones).

The product of its digits is 15750000, while the sum is 54.

The spelling of 55165555674 in words is "fifty-five billion, one hundred sixty-five million, five hundred fifty-five thousand, six hundred seventy-four".