55885100 has 36 divisors (see below), whose sum is σ = 122106768. Its totient is φ = 22200000.

The previous prime is 55885097. The next prime is 55885111. The reversal of 55885100 is 158855.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13250 + ... + 16950.

Almost surely, 2^55885100 is an apocalyptic number.

55885100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55885100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61053384).

55885100 is an abundant number, since it is smaller than the sum of its proper divisors (66221668).

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

55885100 is a wasteful number, since it uses less digits than its factorization.

55885100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 55885100 is about 7475.6337523985. The cubic root of 55885100 is about 382.3243957341.

It can be divided in two parts, 558 and 85100, that added together give a palindrome (85658).

The spelling of 55885100 in words is "fifty-five million, eight hundred eighty-five thousand, one hundred".