55972233118 has 4 divisors (see below), whose sum is σ = 83958349680. Its totient is φ = 27986116558.

The previous prime is 55972233113. The next prime is 55972233137. The reversal of 55972233118 is 81133227955.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55972233113) by changing a digit.

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 as a sum of consecutive naturals, namely, 13993058278 + ... + 13993058281.

It is an arithmetic number, because the mean of its divisors is an integer number (20989587420).

Almost surely, 2^55972233118 is an apocalyptic number.

55972233118 is a deficient number, since it is larger than the sum of its proper divisors (27986116562).

55972233118 is a wasteful number, since it uses less digits than its factorization.

55972233118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27986116561.

The product of its digits is 453600, while the sum is 46.

The spelling of 55972233118 in words is "fifty-five billion, nine hundred seventy-two million, two hundred thirty-three thousand, one hundred eighteen".