555500550500 has 48 divisors (see below), whose sum is σ = 1386529382784. Its totient is φ = 190457330400.

The previous prime is 555500550499. The next prime is 555500550509. The reversal of 555500550500 is 5055005555.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (555500550509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79353722 + ... + 79360721.

It is an arithmetic number, because the mean of its divisors is an integer number (28886028808).

Almost surely, 2^555500550500 is an apocalyptic number.

555500550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555500550500 is an abundant number, since it is smaller than the sum of its proper divisors (831028832284).

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

555500550500 is a wasteful number, since it uses less digits than its factorization.

555500550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158714469 (or 158714457 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 555500550500 in words is "five hundred fifty-five billion, five hundred million, five hundred fifty thousand, five hundred".