55560889100 has 36 divisors (see below), whose sum is σ = 123371025624. Its totient is φ = 21707508480.

The previous prime is 55560889093. The next prime is 55560889103. The reversal of 55560889100 is 198806555.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55560889103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6456269 + ... + 6464868.

It is an arithmetic number, because the mean of its divisors is an integer number (3426972934).

Almost surely, 2^55560889100 is an apocalyptic number.

55560889100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55560889100 is an abundant number, since it is smaller than the sum of its proper divisors (67810136524).

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

55560889100 is a wasteful number, since it uses less digits than its factorization.

55560889100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921194 (or 12921187 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 47.

The spelling of 55560889100 in words is "fifty-five billion, five hundred sixty million, eight hundred eighty-nine thousand, one hundred".