50881899 has 4 divisors (see below), whose sum is σ = 67842536. Its totient is φ = 33921264.

The previous prime is 50881891. The next prime is 50881903. The reversal of 50881899 is 99818805.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50881899 - 2³ = 50881891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50881891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8480314 + ... + 8480319.

It is an arithmetic number, because the mean of its divisors is an integer number (16960634).

Almost surely, 2^50881899 is an apocalyptic number.

50881899 is a deficient number, since it is larger than the sum of its proper divisors (16960637).

50881899 is a wasteful number, since it uses less digits than its factorization.

50881899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16960636.

The product of its (nonzero) digits is 207360, while the sum is 48.

The square root of 50881899 is about 7133.1549120989. The cubic root of 50881899 is about 370.5565012605.

The spelling of 50881899 in words is "fifty million, eight hundred eighty-one thousand, eight hundred ninety-nine".