55855575360 has 672 divisors, whose sum is σ = 221113331712. Its totient is φ = 12819824640.

The previous prime is 55855575329. The next prime is 55855575383. The reversal of 55855575360 is 6357555855.

55855575360 is a `hidden beast` number, since 5 + 5 + 8 + 5 + 5 + 575 + 3 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55855575297 and 55855575306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 80832615 + ... + 80833305.

It is an arithmetic number, because the mean of its divisors is an integer number (329037696).

Almost surely, 2^55855575360 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 55855575360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110556665856).

55855575360 is an abundant number, since it is smaller than the sum of its proper divisors (165257756352).

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

55855575360 is a wasteful number, since it uses less digits than its factorization.

55855575360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 15750000, while the sum is 54.

The spelling of 55855575360 in words is "fifty-five billion, eight hundred fifty-five million, five hundred seventy-five thousand, three hundred sixty".