55988551098 has 48 divisors (see below), whose sum is σ = 122597369856. Its totient is φ = 18464896800.

The previous prime is 55988551081. The next prime is 55988551103. The reversal of 55988551098 is 89015588955.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2120836 + ... + 2147072.

It is an arithmetic number, because the mean of its divisors is an integer number (2554111872).

Almost surely, 2^55988551098 is an apocalyptic number.

55988551098 is an abundant number, since it is smaller than the sum of its proper divisors (66608818758).

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

55988551098 is a wasteful number, since it uses less digits than its factorization.

55988551098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27499 (or 27496 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 63.

Adding to 55988551098 its sum of digits (63), we get a square (55988551161 = 236619²).

The spelling of 55988551098 in words is "fifty-five billion, nine hundred eighty-eight million, five hundred fifty-one thousand, ninety-eight".