50505510055 has 128 divisors (see below), whose sum is σ = 83897856000. Its totient is φ = 28760256000.

The previous prime is 50505510007. The next prime is 50505510071. The reversal of 50505510055 is 55001550505.

It is not a de Polignac number, because 50505510055 - 2¹¹ = 50505508007 is a prime.

It is a super-2 number, since 2×50505510055² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50505509999 and 50505510026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24768726 + ... + 24770764.

It is an arithmetic number, because the mean of its divisors is an integer number (655452000).

Almost surely, 2^50505510055 is an apocalyptic number.

50505510055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50505510055 is a deficient number, since it is larger than the sum of its proper divisors (33392345945).

50505510055 is a wasteful number, since it uses less digits than its factorization.

50505510055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2176 counting only the distinct ones).

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

The spelling of 50505510055 in words is "fifty billion, five hundred five million, five hundred ten thousand, fifty-five".