50401257 has 16 divisors (see below), whose sum is σ = 72388608. Its totient is φ = 31101840.

The previous prime is 50401231. The next prime is 50401279. The reversal of 50401257 is 75210405.

It is not a de Polignac number, because 50401257 - 2⁶ = 50401193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50401157) 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, 9643 + ... + 13920.

It is an arithmetic number, because the mean of its divisors is an integer number (4524288).

Almost surely, 2^50401257 is an apocalyptic number.

It is an amenable number.

50401257 is a deficient number, since it is larger than the sum of its proper divisors (21987351).

50401257 is a wasteful number, since it uses less digits than its factorization.

50401257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23620.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 50401257 is about 7099.3842690757. The cubic root of 50401257 is about 369.3860209263.

The spelling of 50401257 in words is "fifty million, four hundred one thousand, two hundred fifty-seven".