55118964 has 24 divisors (see below), whose sum is σ = 136176768. Its totient is φ = 17292160.

The previous prime is 55118951. The next prime is 55118969. The reversal of 55118964 is 46981155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55118969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134892 + ... + 135299.

It is an arithmetic number, because the mean of its divisors is an integer number (5674032).

Almost surely, 2^55118964 is an apocalyptic number.

It is an amenable number.

55118964 is an abundant number, since it is smaller than the sum of its proper divisors (81057804).

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

55118964 is a wasteful number, since it uses less digits than its factorization.

55118964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270215 (or 270213 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 55118964 is about 7424.2147059470. The cubic root of 55118964 is about 380.5692391912.

The spelling of 55118964 in words is "fifty-five million, one hundred eighteen thousand, nine hundred sixty-four".