50290881 has 16 divisors (see below), whose sum is σ = 69304704. Its totient is φ = 32413824.

The previous prime is 50290871. The next prime is 50290907. The reversal of 50290881 is 18809205.

It is a happy number.

It is not a de Polignac number, because 50290881 - 2⁶ = 50290817 is a prime.

It is a super-2 number, since 2×50290881² = 5058345423512322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50290831) 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, 17181 + ... + 19893.

It is an arithmetic number, because the mean of its divisors is an integer number (4331544).

Almost surely, 2^50290881 is an apocalyptic number.

It is an amenable number.

50290881 is a deficient number, since it is larger than the sum of its proper divisors (19013823).

50290881 is a wasteful number, since it uses less digits than its factorization.

50290881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 50290881 is about 7091.6063765553. The cubic root of 50290881 is about 369.1161787802.

The spelling of 50290881 in words is "fifty million, two hundred ninety thousand, eight hundred eighty-one".