55520715108 has 24 divisors (see below), whose sum is σ = 129890162080. Its totient is φ = 18458072640.

The previous prime is 55520715011. The next prime is 55520715109. The reversal of 55520715108 is 80151702555.

It is a happy number.

55520715108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55520715108² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55520715109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099313 + ... + 6108408.

Almost surely, 2^55520715108 is an apocalyptic number.

It is an amenable number.

55520715108 is an abundant number, since it is smaller than the sum of its proper divisors (74369446972).

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

55520715108 is a wasteful number, since it uses less digits than its factorization.

55520715108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12208107 (or 12208105 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 39.

The spelling of 55520715108 in words is "fifty-five billion, five hundred twenty million, seven hundred fifteen thousand, one hundred eight".