55456051968 has 108 divisors (see below), whose sum is σ = 169299087048. Its totient is φ = 17397964800.

The previous prime is 55456051957. The next prime is 55456051997. The reversal of 55456051968 is 86915065455.

55456051968 is a `hidden beast` number, since 5 + 5 + 4 + 5 + 60 + 519 + 68 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668758 + ... + 747093.

Almost surely, 2^55456051968 is an apocalyptic number.

It is an amenable number.

55456051968 is an abundant number, since it is smaller than the sum of its proper divisors (113843035080).

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

55456051968 is a wasteful number, since it uses less digits than its factorization.

55456051968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415890 (or 1415873 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 54.

The spelling of 55456051968 in words is "fifty-five billion, four hundred fifty-six million, fifty-one thousand, nine hundred sixty-eight".