55992400880 has 160 divisors (see below), whose sum is σ = 153233192448. Its totient is φ = 18830131200.

The previous prime is 55992400879. The next prime is 55992400901. The reversal of 55992400880 is 8800429955.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497000 + ... + 599160.

Almost surely, 2^55992400880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55992400880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76616596224).

55992400880 is an abundant number, since it is smaller than the sum of its proper divisors (97240791568).

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

55992400880 is a wasteful number, since it uses less digits than its factorization.

55992400880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102235 (or 102229 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 55992400880 in words is "fifty-five billion, nine hundred ninety-two million, four hundred thousand, eight hundred eighty".