50918593 has 16 divisors (see below), whose sum is σ = 57381120. Its totient is φ = 44787600.

The previous prime is 50918563. The next prime is 50918599. The reversal of 50918593 is 39581905.

It is not a de Polignac number, because 50918593 - 2⁵ = 50918561 is a prime.

It is a super-2 number, since 2×50918593² = 5185406226199298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50918599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42898 + ... + 44068.

It is an arithmetic number, because the mean of its divisors is an integer number (3586320).

Almost surely, 2^50918593 is an apocalyptic number.

It is an amenable number.

50918593 is a deficient number, since it is larger than the sum of its proper divisors (6462527).

50918593 is a wasteful number, since it uses less digits than its factorization.

50918593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308.

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

The square root of 50918593 is about 7135.7265222260. The cubic root of 50918593 is about 370.6455567219.

The spelling of 50918593 in words is "fifty million, nine hundred eighteen thousand, five hundred ninety-three".