50505258321 has 32 divisors (see below), whose sum is σ = 85529241600. Its totient is φ = 28854176400.

The previous prime is 50505258301. The next prime is 50505258337. The reversal of 50505258321 is 12385250505.

50505258321 is a `hidden beast` number, since 5 + 0 + 5 + 0 + 52 + 583 + 21 = 666.

It is not a de Polignac number, because 50505258321 - 2⁹ = 50505257809 is a prime.

It is a super-2 number, since 2×50505258321² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50505258301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 986370 + ... + 1036308.

It is an arithmetic number, because the mean of its divisors is an integer number (2672788800).

Almost surely, 2^50505258321 is an apocalyptic number.

It is an amenable number.

50505258321 is a deficient number, since it is larger than the sum of its proper divisors (35023983279).

50505258321 is a wasteful number, since it uses less digits than its factorization.

50505258321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55306 (or 55300 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 50505258321 in words is "fifty billion, five hundred five million, two hundred fifty-eight thousand, three hundred twenty-one".