50513240231 has 4 divisors (see below), whose sum is σ = 51687966792. Its totient is φ = 49338513672.

The previous prime is 50513240227. The next prime is 50513240249. The reversal of 50513240231 is 13204231505.

It is a happy number.

50513240231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50513240231 - 2² = 50513240227 is a prime.

It is a super-2 number, since 2×50513240231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50513240231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513245231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587363216 + ... + 587363301.

It is an arithmetic number, because the mean of its divisors is an integer number (12921991698).

Almost surely, 2^50513240231 is an apocalyptic number.

50513240231 is a deficient number, since it is larger than the sum of its proper divisors (1174726561).

50513240231 is a wasteful number, since it uses less digits than its factorization.

50513240231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174726560.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 50513240231 its reverse (13204231505), we get a palindrome (63717471736).

The spelling of 50513240231 in words is "fifty billion, five hundred thirteen million, two hundred forty thousand, two hundred thirty-one".