50256990 has 64 divisors (see below), whose sum is σ = 153169920. Its totient is φ = 11486880.

The previous prime is 50256953. The next prime is 50257013. The reversal of 50256990 is 9965205.

50256990 is a `hidden beast` number, since 5 + 0 + 2 + 569 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11406 + ... + 15185.

It is an arithmetic number, because the mean of its divisors is an integer number (2393280).

Almost surely, 2^50256990 is an apocalyptic number.

50256990 is an abundant number, since it is smaller than the sum of its proper divisors (102912930).

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

50256990 is a wasteful number, since it uses less digits than its factorization.

50256990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26614 (or 26608 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 50256990 is about 7089.2164588197. The cubic root of 50256990 is about 369.0332444105.

The spelling of 50256990 in words is "fifty million, two hundred fifty-six thousand, nine hundred ninety".