50857920 has 84 divisors (see below), whose sum is σ = 174939960. Its totient is φ = 13561344.

The previous prime is 50857913. The next prime is 50857921. The reversal of 50857920 is 2975805.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50857921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5950 + ... + 11709.

Almost surely, 2^50857920 is an apocalyptic number.

It is an amenable number.

50857920 is an abundant number, since it is smaller than the sum of its proper divisors (124082040).

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

50857920 is a wasteful number, since it uses less digits than its factorization.

50857920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17682 (or 17669 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 50857920 is about 7131.4739009548. The cubic root of 50857920 is about 370.4982816663.

The spelling of 50857920 in words is "fifty million, eight hundred fifty-seven thousand, nine hundred twenty".