55145550325554 has 24 divisors (see below), whose sum is σ = 128672950760172. Its totient is φ = 16967861638560.

The previous prime is 55145550325511. The next prime is 55145550325589. The reversal of 55145550325554 is 45552305554155.

55145550325554 is a `hidden beast` number, since 5 + 5 + 1 + 4 + 5 + 5 + 50 + 32 + 5 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54723080225025 + 422470100529 = 7397505^2 + 649977^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55145550325554.

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, 117832372257 + ... + 117832372724.

Almost surely, 2^{55145550325554} is an apocalyptic number.

55145550325554 is an abundant number, since it is smaller than the sum of its proper divisors (73527400434618).

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

55145550325554 is a wasteful number, since it uses less digits than its factorization.

55145550325554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235664745002 (or 235664744999 counting only the distinct ones).

The product of its (nonzero) digits is 37500000, while the sum is 54.

The spelling of 55145550325554 in words is "fifty-five trillion, one hundred forty-five billion, five hundred fifty million, three hundred twenty-five thousand, five hundred fifty-four".