55532136874 has 24 divisors (see below), whose sum is σ = 90749006208. Its totient is φ = 25456147560.

The previous prime is 55532136857. The next prime is 55532136889. The reversal of 55532136874 is 47863123555.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

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, 1218172 + ... + 1262935.

It is an arithmetic number, because the mean of its divisors is an integer number (3781208592).

Almost surely, 2^55532136874 is an apocalyptic number.

55532136874 is a deficient number, since it is larger than the sum of its proper divisors (35216869334).

55532136874 is a wasteful number, since it uses less digits than its factorization.

55532136874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481178 (or 2481159 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 49.

The spelling of 55532136874 in words is "fifty-five billion, five hundred thirty-two million, one hundred thirty-six thousand, eight hundred seventy-four".