500055000550 has 96 divisors (see below), whose sum is σ = 1068966581760. Its totient is φ = 170483616000.

The previous prime is 500055000547. The next prime is 500055000551. The reversal of 500055000550 is 55000550005.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500055000551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47165250 + ... + 47175850.

It is an arithmetic number, because the mean of its divisors is an integer number (11135068560).

Almost surely, 2^500055000550 is an apocalyptic number.

500055000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500055000550 is an abundant number, since it is smaller than the sum of its proper divisors (568911581210).

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

500055000550 is a wasteful number, since it uses less digits than its factorization.

500055000550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11366 (or 11361 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

Adding to 500055000550 its reverse (55000550005), we get a palindrome (555055550555).

The spelling of 500055000550 in words is "five hundred billion, fifty-five million, five hundred fifty", and thus it is an aban number.