50681900 has 36 divisors (see below), whose sum is σ = 113534400. Its totient is φ = 19617600.

The previous prime is 50681887. The next prime is 50681921. The reversal of 50681900 is 918605.

It is a super-2 number, since 2×50681900² = 5137309975220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5075 + ... + 11274.

Almost surely, 2^50681900 is an apocalyptic number.

50681900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50681900 is an abundant number, since it is smaller than the sum of its proper divisors (62852500).

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

50681900 is a wasteful number, since it uses less digits than its factorization.

50681900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16394 (or 16387 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 50681900 is about 7119.1221368930. The cubic root of 50681900 is about 370.0703542865.

The spelling of 50681900 in words is "fifty million, six hundred eighty-one thousand, nine hundred".