50555515131 has 24 divisors (see below), whose sum is σ = 79701732864. Its totient is φ = 30624899760.

The previous prime is 50555515117. The next prime is 50555515163. The reversal of 50555515131 is 13151555505.

50555515131 is a `hidden beast` number, since 5 + 0 + 5 + 5 + 5 + 515 + 131 = 666.

It is not a de Polignac number, because 50555515131 - 2⁵ = 50555515099 is a prime.

It is a super-2 number, since 2×50555515131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50555515111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84270 + ... + 328956.

It is an arithmetic number, because the mean of its divisors is an integer number (3320905536).

Almost surely, 2^50555515131 is an apocalyptic number.

50555515131 is a deficient number, since it is larger than the sum of its proper divisors (29146217733).

50555515131 is a wasteful number, since it uses less digits than its factorization.

50555515131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246791 (or 246788 counting only the distinct ones).

The product of its (nonzero) digits is 46875, while the sum is 36.

The spelling of 50555515131 in words is "fifty billion, five hundred fifty-five million, five hundred fifteen thousand, one hundred thirty-one".