50981593 has 16 divisors (see below), whose sum is σ = 57689856. Its totient is φ = 44700480.

The previous prime is 50981569. The next prime is 50981599. The reversal of 50981593 is 39518905.

It is a cyclic number.

It is not a de Polignac number, because 50981593 - 2⁵ = 50981561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50981599) 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, 49423 + ... + 50443.

It is an arithmetic number, because the mean of its divisors is an integer number (3605616).

Almost surely, 2^50981593 is an apocalyptic number.

It is an amenable number.

50981593 is a deficient number, since it is larger than the sum of its proper divisors (6708263).

50981593 is a wasteful number, since it uses less digits than its factorization.

50981593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 50981593 is about 7140.1395644623. The cubic root of 50981593 is about 370.7983564817.

The spelling of 50981593 in words is "fifty million, nine hundred eighty-one thousand, five hundred ninety-three".