50431312 has 40 divisors (see below), whose sum is σ = 101868480. Its totient is φ = 24165120.

The previous prime is 50431289. The next prime is 50431331. The reversal of 50431312 is 21313405.

It is a self number, because there is not a number n which added to its sum of digits gives 50431312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38053 + ... + 39355.

It is an arithmetic number, because the mean of its divisors is an integer number (2546712).

Almost surely, 2^50431312 is an apocalyptic number.

It is an amenable number.

50431312 is an abundant number, since it is smaller than the sum of its proper divisors (51437168).

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

50431312 is a wasteful number, since it uses less digits than its factorization.

50431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 50431312 is about 7101.5006864747. The cubic root of 50431312 is about 369.4594297492.

Adding to 50431312 its reverse (21313405), we get a palindrome (71744717).

The spelling of 50431312 in words is "fifty million, four hundred thirty-one thousand, three hundred twelve".