500051055550 has 24 divisors (see below), whose sum is σ = 939303833832. Its totient is φ = 198040020000.

The previous prime is 500051055499. The next prime is 500051055641. The reversal of 500051055550 is 55550150005.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 49504956 + ... + 49515055.

It is an arithmetic number, because the mean of its divisors is an integer number (39137659743).

Almost surely, 2^500051055550 is an apocalyptic number.

500051055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500051055550 is a deficient number, since it is larger than the sum of its proper divisors (439252778282).

500051055550 is a wasteful number, since it uses less digits than its factorization.

500051055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99020124 (or 99020119 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 500051055550 in words is "five hundred billion, fifty-one million, fifty-five thousand, five hundred fifty".