55688260992 has 128 divisors (see below), whose sum is σ = 182057890560. Its totient is φ = 14687004672.

The previous prime is 55688260987. The next prime is 55688261011. The reversal of 55688260992 is 29906288655.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 761878 + ... + 831765.

It is an arithmetic number, because the mean of its divisors is an integer number (1422327270).

Almost surely, 2^55688260992 is an apocalyptic number.

55688260992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55688260992 is an abundant number, since it is smaller than the sum of its proper divisors (126369629568).

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

55688260992 is a wasteful number, since it uses less digits than its factorization.

55688260992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593680 (or 1593668 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 55688260992 in words is "fifty-five billion, six hundred eighty-eight million, two hundred sixty thousand, nine hundred ninety-two".