50431857 has 8 divisors (see below), whose sum is σ = 76848576. Its totient is φ = 28818192.

The previous prime is 50431837. The next prime is 50431859. The reversal of 50431857 is 75813405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50431857 - 2¹² = 50427761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50431859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200738 + ... + 1200779.

It is an arithmetic number, because the mean of its divisors is an integer number (9606072).

Almost surely, 2^50431857 is an apocalyptic number.

It is an amenable number.

50431857 is a deficient number, since it is larger than the sum of its proper divisors (26416719).

50431857 is a wasteful number, since it uses less digits than its factorization.

50431857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401527.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 50431857 is about 7101.5390585422. The cubic root of 50431857 is about 369.4607606331.

The spelling of 50431857 in words is "fifty million, four hundred thirty-one thousand, eight hundred fifty-seven".