55887846912 has 160 divisors (see below), whose sum is σ = 167701126560. Its totient is φ = 18373754880.

The previous prime is 55887846887. The next prime is 55887846961. The reversal of 55887846912 is 21964878855.

55887846912 is a `hidden beast` number, since 5 + 588 + 7 + 8 + 46 + 9 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55887846912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981462 + ... + 1036842.

It is an arithmetic number, because the mean of its divisors is an integer number (1048132041).

Almost surely, 2^55887846912 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 55887846912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83850563280).

55887846912 is an abundant number, since it is smaller than the sum of its proper divisors (111813279648).

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

55887846912 is an equidigital number, since it uses as much as digits as its factorization.

55887846912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55481 (or 55459 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 63.

The spelling of 55887846912 in words is "fifty-five billion, eight hundred eighty-seven million, eight hundred forty-six thousand, nine hundred twelve".