50523131 has 2 divisors, whose sum is σ = 50523132. Its totient is φ = 50523130.

The previous prime is 50523127. The next prime is 50523139. The reversal of 50523131 is 13132505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50523131 - 2² = 50523127 is a prime.

It is a super-2 number, since 2×50523131² = 5105173532086322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50523139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25261565 + 25261566.

It is an arithmetic number, because the mean of its divisors is an integer number (25261566).

Almost surely, 2^50523131 is an apocalyptic number.

50523131 is a deficient number, since it is larger than the sum of its proper divisors (1).

50523131 is an equidigital number, since it uses as much as digits as its factorization.

50523131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 50523131 is about 7107.9625069354. The cubic root of 50523131 is about 369.6835155867.

Adding to 50523131 its reverse (13132505), we get a palindrome (63655636).

The spelling of 50523131 in words is "fifty million, five hundred twenty-three thousand, one hundred thirty-one".