50550515631 has 144 divisors (see below), whose sum is σ = 97901975808. Its totient is φ = 24409497600.

The previous prime is 50550515627. The next prime is 50550515647. The reversal of 50550515631 is 13651505505.

50550515631 is a `hidden beast` number, since 5 + 0 + 5 + 5 + 0 + 5 + 15 + 631 = 666.

It is not a de Polignac number, because 50550515631 - 2² = 50550515627 is a prime.

It is a super-2 number, since 2×50550515631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50550515611) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16621471 + ... + 16624511.

It is an arithmetic number, because the mean of its divisors is an integer number (679874832).

Almost surely, 2^50550515631 is an apocalyptic number.

50550515631 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50550515631 is a deficient number, since it is larger than the sum of its proper divisors (47351460177).

50550515631 is a wasteful number, since it uses less digits than its factorization.

50550515631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182 (or 3162 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 50550515631 in words is "fifty billion, five hundred fifty million, five hundred fifteen thousand, six hundred thirty-one".