50613731 has 16 divisors (see below), whose sum is σ = 62312448. Its totient is φ = 40154400.

The previous prime is 50613707. The next prime is 50613733. The reversal of 50613731 is 13731605.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50613731 - 2¹⁴ = 50597347 is a prime.

It is a super-2 number, since 2×50613731² = 5123499531480722, 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 50613731.

It is not an unprimeable number, because it can be changed into a prime (50613733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80 + ... + 10061.

It is an arithmetic number, because the mean of its divisors is an integer number (3894528).

Almost surely, 2^50613731 is an apocalyptic number.

50613731 is a deficient number, since it is larger than the sum of its proper divisors (11698717).

50613731 is a wasteful number, since it uses less digits than its factorization.

50613731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 50613731 is about 7114.3327867060. The cubic root of 50613731 is about 369.9043604767.

The spelling of 50613731 in words is "fifty million, six hundred thirteen thousand, seven hundred thirty-one".