55542179180 has 24 divisors (see below), whose sum is σ = 116720373168. Its totient is φ = 22201291328.

The previous prime is 55542179167. The next prime is 55542179227. The reversal of 55542179180 is 8197124555.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944519 + ... + 1001598.

It is an arithmetic number, because the mean of its divisors is an integer number (4863348882).

Almost surely, 2^55542179180 is an apocalyptic number.

It is an amenable number.

55542179180 is an abundant number, since it is smaller than the sum of its proper divisors (61178193988).

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

55542179180 is a wasteful number, since it uses less digits than its factorization.

55542179180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947553 (or 1947551 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 47.

The spelling of 55542179180 in words is "fifty-five billion, five hundred forty-two million, one hundred seventy-nine thousand, one hundred eighty".