55132944444 has 18 divisors (see below), whose sum is σ = 139363831880. Its totient is φ = 18377648136.

The previous prime is 55132944431. The next prime is 55132944473. The reversal of 55132944444 is 44444923155.

55132944444 is a `hidden beast` number, since 5 + 513 + 2 + 94 + 4 + 4 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 55132944444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 765735304 + ... + 765735375.

Almost surely, 2^55132944444 is an apocalyptic number.

It is an amenable number.

55132944444 is an abundant number, since it is smaller than the sum of its proper divisors (84230887436).

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

55132944444 is a wasteful number, since it uses less digits than its factorization.

55132944444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531470689 (or 1531470684 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 55132944444 in words is "fifty-five billion, one hundred thirty-two million, nine hundred forty-four thousand, four hundred forty-four".