50431940 has 48 divisors (see below), whose sum is σ = 116508672. Its totient is φ = 18220416.

The previous prime is 50431937. The next prime is 50431967. The reversal of 50431940 is 4913405.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10157 + ... + 14283.

It is an arithmetic number, because the mean of its divisors is an integer number (2427264).

Almost surely, 2^50431940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50431940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58254336).

50431940 is an abundant number, since it is smaller than the sum of its proper divisors (66076732).

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

50431940 is a wasteful number, since it uses less digits than its factorization.

50431940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196 (or 4194 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 50431940 is about 7101.5449023434. The cubic root of 50431940 is about 369.4609633173.

The spelling of 50431940 in words is "fifty million, four hundred thirty-one thousand, nine hundred forty".