50750731 has 4 divisors (see below), whose sum is σ = 50805832. Its totient is φ = 50695632.

The previous prime is 50750671. The next prime is 50750747. The reversal of 50750731 is 13705705.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50750731 - 2⁷ = 50750603 is a prime.

It is a super-2 number, since 2×50750731² = 5151273394068722, 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 50750731.

It is not an unprimeable number, because it can be changed into a prime (50750431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26145 + ... + 28018.

It is an arithmetic number, because the mean of its divisors is an integer number (12701458).

Almost surely, 2^50750731 is an apocalyptic number.

50750731 is a deficient number, since it is larger than the sum of its proper divisors (55101).

50750731 is an equidigital number, since it uses as much as digits as its factorization.

50750731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55100.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 50750731 is about 7123.9547303447. The cubic root of 50750731 is about 370.2378091369.

The spelling of 50750731 in words is "fifty million, seven hundred fifty thousand, seven hundred thirty-one".