50995731 has 8 divisors (see below), whose sum is σ = 69832144. Its totient is φ = 33078240.

The previous prime is 50995723. The next prime is 50995757. The reversal of 50995731 is 13759905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50995731 - 2³ = 50995723 is a prime.

It is a super-2 number, since 2×50995731² = 5201129160448722, which 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 50995731.

It is not an unprimeable number, because it can be changed into a prime (50995331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229600 + ... + 229821.

It is an arithmetic number, because the mean of its divisors is an integer number (8729018).

Almost surely, 2^50995731 is an apocalyptic number.

50995731 is a deficient number, since it is larger than the sum of its proper divisors (18836413).

50995731 is a wasteful number, since it uses less digits than its factorization.

50995731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459461.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 50995731 is about 7141.1295325039. The cubic root of 50995731 is about 370.8326293917.

The spelling of 50995731 in words is "fifty million, nine hundred ninety-five thousand, seven hundred thirty-one".