550111050500 has 48 divisors (see below), whose sum is σ = 1310664595968. Its totient is φ = 200040380000.

The previous prime is 550111050487. The next prime is 550111050521. The reversal of 550111050500 is 5050111055.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 50004596 + ... + 50015595.

It is an arithmetic number, because the mean of its divisors is an integer number (27305512416).

Almost surely, 2^550111050500 is an apocalyptic number.

550111050500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550111050500 is an abundant number, since it is smaller than the sum of its proper divisors (760553545468).

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

550111050500 is a wasteful number, since it uses less digits than its factorization.

550111050500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100020221 (or 100020209 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 550111050500 its reverse (5050111055), we get a palindrome (555161161555).

The spelling of 550111050500 in words is "five hundred fifty billion, one hundred eleven million, fifty thousand, five hundred".