50140523 has 4 divisors (see below), whose sum is σ = 50154720. Its totient is φ = 50126328.

The previous prime is 50140477. The next prime is 50140543. The reversal of 50140523 is 32504105.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50140523 - 2¹⁸ = 49878379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50140495 and 50140504.

It is not an unprimeable number, because it can be changed into a prime (50140543) 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, 2813 + ... + 10401.

It is an arithmetic number, because the mean of its divisors is an integer number (12538680).

Almost surely, 2^50140523 is an apocalyptic number.

50140523 is a deficient number, since it is larger than the sum of its proper divisors (14197).

50140523 is an equidigital number, since it uses as much as digits as its factorization.

50140523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14196.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50140523 is about 7080.9973167627. The cubic root of 50140523 is about 368.7479544845.

Adding to 50140523 its reverse (32504105), we get a palindrome (82644628).

The spelling of 50140523 in words is "fifty million, one hundred forty thousand, five hundred twenty-three".