50731968 has 56 divisors (see below), whose sum is σ = 153407872. Its totient is φ = 14494464.

The previous prime is 50731963. The next prime is 50731981. The reversal of 50731968 is 86913705.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50731963) 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, 17530 + ... + 20217.

Almost surely, 2^50731968 is an apocalyptic number.

It is an amenable number.

50731968 is an abundant number, since it is smaller than the sum of its proper divisors (102675904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50731968 is a wasteful number, since it uses less digits than its factorization.

50731968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37769 (or 37759 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 50731968 is about 7122.6377136564. The cubic root of 50731968 is about 370.1921767677.

The spelling of 50731968 in words is "fifty million, seven hundred thirty-one thousand, nine hundred sixty-eight".