50431887 has 12 divisors (see below), whose sum is σ = 79468584. Its totient is φ = 30564720.

The previous prime is 50431883. The next prime is 50431897. The reversal of 50431887 is 78813405.

It is not a de Polignac number, because 50431887 - 2² = 50431883 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50431883) 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, 254608 + ... + 254805.

It is an arithmetic number, because the mean of its divisors is an integer number (6622382).

Almost surely, 2^50431887 is an apocalyptic number.

50431887 is a deficient number, since it is larger than the sum of its proper divisors (29036697).

50431887 is a wasteful number, since it uses less digits than its factorization.

50431887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509430 (or 509427 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 50431887 is about 7101.5411707600. The cubic root of 50431887 is about 369.4608338925.

It can be divided in two parts, 504318 and 87, that added together give a palindrome (504405).

The spelling of 50431887 in words is "fifty million, four hundred thirty-one thousand, eight hundred eighty-seven".