50394518231 has 8 divisors (see below), whose sum is σ = 51762069744. Its totient is φ = 49033558080.

The previous prime is 50394518183. The next prime is 50394518233. The reversal of 50394518231 is 13281549305.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50394518231 is a prime.

It is a super-2 number, since 2×50394518231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50394518233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632341 + ... + 1662926.

It is an arithmetic number, because the mean of its divisors is an integer number (6470258718).

Almost surely, 2^50394518231 is an apocalyptic number.

50394518231 is a deficient number, since it is larger than the sum of its proper divisors (1367551513).

50394518231 is a wasteful number, since it uses less digits than its factorization.

50394518231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295681.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 50394518231 in words is "fifty billion, three hundred ninety-four million, five hundred eighteen thousand, two hundred thirty-one".