55992944988 has 36 divisors (see below), whose sum is σ = 143531217648. Its totient is φ = 18401436480.

The previous prime is 55992944983. The next prime is 55992944989. The reversal of 55992944988 is 88944929955.

55992944988 is a `hidden beast` number, since 5 + 599 + 29 + 4 + 4 + 9 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55992944981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10950681 + ... + 10955792.

It is an arithmetic number, because the mean of its divisors is an integer number (3986978268).

Almost surely, 2^55992944988 is an apocalyptic number.

It is an amenable number.

55992944988 is an abundant number, since it is smaller than the sum of its proper divisors (87538272660).

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

55992944988 is a wasteful number, since it uses less digits than its factorization.

55992944988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21906554 (or 21906549 counting only the distinct ones).

The product of its digits is 335923200, while the sum is 72.

The spelling of 55992944988 in words is "fifty-five billion, nine hundred ninety-two million, nine hundred forty-four thousand, nine hundred eighty-eight".