55555000500 has 192 divisors, whose sum is σ = 166614739200. Its totient is φ = 14373849600.

The previous prime is 55555000483. The next prime is 55555000531. The reversal of 55555000500 is 500055555.

55555000500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23253306 + ... + 23255694.

It is an arithmetic number, because the mean of its divisors is an integer number (867785100).

Almost surely, 2^55555000500 is an apocalyptic number.

55555000500 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 55555000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83307369600).

55555000500 is an abundant number, since it is smaller than the sum of its proper divisors (111059738700).

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

55555000500 is a wasteful number, since it uses less digits than its factorization.

55555000500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

It can be divided in two parts, 55 and 555000500, that added together give a palindrome (555000555).

The spelling of 55555000500 in words is "fifty-five billion, five hundred fifty-five million, five hundred", and thus it is an aban number.