55500551110500 has 48 divisors (see below), whose sum is σ = 161617604838144. Its totient is φ = 14800146962400.

The previous prime is 55500551110483. The next prime is 55500551110513. The reversal of 55500551110500 is 501115500555.

It is a super-2 number, since 2×55500551110500² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18500182204 + ... + 18500185203.

It is an arithmetic number, because the mean of its divisors is an integer number (3367033434128).

Almost surely, 2^{55500551110500} is an apocalyptic number.

55500551110500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55500551110500 is an abundant number, since it is smaller than the sum of its proper divisors (106117053727644).

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

55500551110500 is a wasteful number, since it uses less digits than its factorization.

55500551110500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37000367429 (or 37000367417 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 55500551110500 in words is "fifty-five trillion, five hundred billion, five hundred fifty-one million, one hundred ten thousand, five hundred".