50015403431 has 12 divisors (see below), whose sum is σ = 59534236872. Its totient is φ = 41873359248.

The previous prime is 50015403391. The next prime is 50015403433. The reversal of 50015403431 is 13430451005.

It is not a de Polignac number, because 50015403431 - 2¹⁰ = 50015402407 is a prime.

It is a super-2 number, since 2×50015403431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50015403431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50015403433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11866760 + ... + 11870973.

It is an arithmetic number, because the mean of its divisors is an integer number (4961186406).

Almost surely, 2^50015403431 is an apocalyptic number.

50015403431 is a deficient number, since it is larger than the sum of its proper divisors (9518833441).

50015403431 is a wasteful number, since it uses less digits than its factorization.

50015403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23737790 (or 23737783 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 50015403431 its reverse (13430451005), we get a palindrome (63445854436).

The spelling of 50015403431 in words is "fifty billion, fifteen million, four hundred three thousand, four hundred thirty-one".