50891093 has 4 divisors (see below), whose sum is σ = 55517568. Its totient is φ = 46264620.

The previous prime is 50891069. The next prime is 50891117. The reversal of 50891093 is 39019805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (50891069) and next prime (50891117).

It is a cyclic number.

It is not a de Polignac number, because 50891093 - 2⁸ = 50890837 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 (50891023) 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, 2313221 + ... + 2313242.

It is an arithmetic number, because the mean of its divisors is an integer number (13879392).

Almost surely, 2^50891093 is an apocalyptic number.

It is an amenable number.

50891093 is a deficient number, since it is larger than the sum of its proper divisors (4626475).

50891093 is a wasteful number, since it uses less digits than its factorization.

50891093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626474.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 50891093 is about 7133.7993383610. The cubic root of 50891093 is about 370.5788188978.

The spelling of 50891093 in words is "fifty million, eight hundred ninety-one thousand, ninety-three".