50045931 has 20 divisors (see below), whose sum is σ = 80512432. Its totient is φ = 30796848.

The previous prime is 50045927. The next prime is 50045951. The reversal of 50045931 is 13954005.

It is not a de Polignac number, because 50045931 - 2² = 50045927 is a prime.

It is a super-2 number, since 2×50045931² = 5009190419313522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50045895 and 50045904.

It is not an unprimeable number, because it can be changed into a prime (50045921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22711 + ... + 24816.

Almost surely, 2^50045931 is an apocalyptic number.

50045931 is a deficient number, since it is larger than the sum of its proper divisors (30466501).

50045931 is a wasteful number, since it uses less digits than its factorization.

50045931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47552 (or 47543 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 50045931 is about 7074.3148784882. The cubic root of 50045931 is about 368.5159228398.

Adding to 50045931 its reverse (13954005), we get a palindrome (63999936).

The spelling of 50045931 in words is "fifty million, forty-five thousand, nine hundred thirty-one".