50431620 has 48 divisors (see below), whose sum is σ = 143881920. Its totient is φ = 13193856.

The previous prime is 50431613. The next prime is 50431621. The reversal of 50431620 is 2613405.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (50431621) 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, 4750 + ... + 11109.

It is an arithmetic number, because the mean of its divisors is an integer number (2997540).

Almost surely, 2^50431620 is an apocalyptic number.

It is an amenable number.

50431620 is an abundant number, since it is smaller than the sum of its proper divisors (93450300).

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

50431620 is a wasteful number, since it uses less digits than its factorization.

50431620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15924 (or 15922 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 50431620 is about 7101.5223719988. The cubic root of 50431620 is about 369.4601818829.

The spelling of 50431620 in words is "fifty million, four hundred thirty-one thousand, six hundred twenty".