50257881 has 8 divisors (see below), whose sum is σ = 74456160. Its totient is φ = 33505236.

The previous prime is 50257873. The next prime is 50257901. The reversal of 50257881 is 18875205.

50257881 is a `hidden beast` number, since 5 + 0 + 2 + 578 + 81 = 666.

It is not a de Polignac number, because 50257881 - 2³ = 50257873 is a prime.

It is a super-2 number, since 2×50257881² = 5051709205220322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50257811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930675 + ... + 930728.

It is an arithmetic number, because the mean of its divisors is an integer number (9307020).

Almost surely, 2^50257881 is an apocalyptic number.

It is an amenable number.

50257881 is a deficient number, since it is larger than the sum of its proper divisors (24198279).

50257881 is a wasteful number, since it uses less digits than its factorization.

50257881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861412 (or 1861406 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 50257881 is about 7089.2793004649. The cubic root of 50257881 is about 369.0354252459.

The spelling of 50257881 in words is "fifty million, two hundred fifty-seven thousand, eight hundred eighty-one".