55074515520 has 112 divisors (see below), whose sum is σ = 175075047360. Its totient is φ = 14668609536.

The previous prime is 55074515459. The next prime is 55074515597. The reversal of 55074515520 is 2551547055.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761239 + ... + 830441.

Almost surely, 2^55074515520 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 55074515520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87537523680).

55074515520 is an abundant number, since it is smaller than the sum of its proper divisors (120000531840).

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

55074515520 is a wasteful number, since it uses less digits than its factorization.

55074515520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70052 (or 70042 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 39.

The spelling of 55074515520 in words is "fifty-five billion, seventy-four million, five hundred fifteen thousand, five hundred twenty".