50047731 has 6 divisors (see below), whose sum is σ = 72291180. Its totient is φ = 33365148.

The previous prime is 50047709. The next prime is 50047763. The reversal of 50047731 is 13774005.

It is not a de Polignac number, because 50047731 - 2⁷ = 50047603 is a prime.

It is a super-2 number, since 2×50047731² = 5009550756496722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50047695 and 50047704.

It is not an unprimeable number, because it can be changed into a prime (50047331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2780421 + ... + 2780438.

It is an arithmetic number, because the mean of its divisors is an integer number (12048530).

Almost surely, 2^50047731 is an apocalyptic number.

50047731 is a deficient number, since it is larger than the sum of its proper divisors (22243449).

50047731 is a wasteful number, since it uses less digits than its factorization.

50047731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560865 (or 5560862 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 50047731 is about 7074.4420981446. The cubic root of 50047731 is about 368.5203409193.

The spelling of 50047731 in words is "fifty million, forty-seven thousand, seven hundred thirty-one".