55528055500 has 24 divisors (see below), whose sum is σ = 121273274304. Its totient is φ = 22211222000.

The previous prime is 55528055431. The next prime is 55528055521. The reversal of 55528055500 is 555082555.

It is a super-2 number, since 2×55528055500² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55527556 + ... + 55528555.

It is an arithmetic number, because the mean of its divisors is an integer number (5053053096).

Almost surely, 2^55528055500 is an apocalyptic number.

55528055500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55528055500 is an abundant number, since it is smaller than the sum of its proper divisors (65745218804).

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

55528055500 is a wasteful number, since it uses less digits than its factorization.

55528055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111056130 (or 111056118 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 55528055500 in words is "fifty-five billion, five hundred twenty-eight million, fifty-five thousand, five hundred".