55476957888 has 336 divisors, whose sum is σ = 189018672000. Its totient is φ = 15820738560.

The previous prime is 55476957883. The next prime is 55476957919. The reversal of 55476957888 is 88875967455.

55476957888 is a `hidden beast` number, since 5 + 5 + 47 + 6 + 9 + 578 + 8 + 8 = 666.

55476957888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (55476957883) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5488263 + ... + 5498361.

Almost surely, 2^55476957888 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 55476957888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94509336000).

55476957888 is an abundant number, since it is smaller than the sum of its proper divisors (133541714112).

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

55476957888 is a wasteful number, since it uses less digits than its factorization.

55476957888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10165 (or 10132 counting only the distinct ones).

The product of its digits is 677376000, while the sum is 72.

The spelling of 55476957888 in words is "fifty-five billion, four hundred seventy-six million, nine hundred fifty-seven thousand, eight hundred eighty-eight".