55520715020 has 48 divisors (see below), whose sum is σ = 118234958688. Its totient is φ = 21895856640.

The previous prime is 55520715011. The next prime is 55520715109. The reversal of 55520715020 is 2051702555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5187875 + ... + 5198565.

It is an arithmetic number, because the mean of its divisors is an integer number (2463228306).

Almost surely, 2^55520715020 is an apocalyptic number.

It is an amenable number.

55520715020 is an abundant number, since it is smaller than the sum of its proper divisors (62714243668).

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

55520715020 is a wasteful number, since it uses less digits than its factorization.

55520715020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14330 (or 14328 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 32.

The spelling of 55520715020 in words is "fifty-five billion, five hundred twenty million, seven hundred fifteen thousand, twenty".