50540151231 has 16 divisors (see below), whose sum is σ = 74879032320. Its totient is φ = 33691303800.

The previous prime is 50540151203. The next prime is 50540151251. The reversal of 50540151231 is 13215104505.

50540151231 is a `hidden beast` number, since 50 + 540 + 1 + 51 + 23 + 1 = 666.

It is not a de Polignac number, because 50540151231 - 2⁵ = 50540151199 is a prime.

It is a super-2 number, since 2×50540151231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50540151195 and 50540151204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50540151251) 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, 457906 + ... + 557456.

It is an arithmetic number, because the mean of its divisors is an integer number (4679939520).

Almost surely, 2^50540151231 is an apocalyptic number.

50540151231 is a deficient number, since it is larger than the sum of its proper divisors (24338881089).

50540151231 is a wasteful number, since it uses less digits than its factorization.

50540151231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118363 (or 118357 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 50540151231 its reverse (13215104505), we get a palindrome (63755255736).

The spelling of 50540151231 in words is "fifty billion, five hundred forty million, one hundred fifty-one thousand, two hundred thirty-one".