55561050054 has 24 divisors (see below), whose sum is σ = 127463586120. Its totient is φ = 17430917568.

The previous prime is 55561050031. The next prime is 55561050079. The reversal of 55561050054 is 45005016555.

55561050054 is a `hidden beast` number, since 5 + 556 + 1 + 0 + 50 + 0 + 54 = 666.

It is a congruent number.

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, 90785724 + ... + 90786335.

It is an arithmetic number, because the mean of its divisors is an integer number (5310982755).

Almost surely, 2^55561050054 is an apocalyptic number.

55561050054 is an abundant number, since it is smaller than the sum of its proper divisors (71902536066).

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

55561050054 is a wasteful number, since it uses less digits than its factorization.

55561050054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181572084 (or 181572081 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 55561050054 in words is "fifty-five billion, five hundred sixty-one million, fifty thousand, fifty-four".