50355571231 has 12 divisors (see below), whose sum is σ = 58580546160. Its totient is φ = 43159223520.

The previous prime is 50355571219. The next prime is 50355571267. The reversal of 50355571231 is 13217555305.

It is not a de Polignac number, because 50355571231 - 2³¹ = 48208087583 is a prime.

It is a super-2 number, since 2×50355571231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50355571291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1496035 + ... + 1529323.

It is an arithmetic number, because the mean of its divisors is an integer number (4881712180).

Almost surely, 2^50355571231 is an apocalyptic number.

50355571231 is a deficient number, since it is larger than the sum of its proper divisors (8224974929).

50355571231 is a wasteful number, since it uses less digits than its factorization.

50355571231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64174 (or 64167 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 37.

The spelling of 50355571231 in words is "fifty billion, three hundred fifty-five million, five hundred seventy-one thousand, two hundred thirty-one".