50815893 has 8 divisors (see below), whose sum is σ = 67956928. Its totient is φ = 33776064.

The previous prime is 50815889. The next prime is 50815943. The reversal of 50815893 is 39851805.

50815893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 50815893 - 2² = 50815889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50814893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24121 + ... + 26142.

It is an arithmetic number, because the mean of its divisors is an integer number (8494616).

Almost surely, 2^50815893 is an apocalyptic number.

It is an amenable number.

50815893 is a deficient number, since it is larger than the sum of its proper divisors (17141035).

50815893 is a wasteful number, since it uses less digits than its factorization.

50815893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50603.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 50815893 is about 7128.5267061294. The cubic root of 50815893 is about 370.3961984357.

The spelling of 50815893 in words is "fifty million, eight hundred fifteen thousand, eight hundred ninety-three".