50404531 has 2 divisors, whose sum is σ = 50404532. Its totient is φ = 50404530.

The previous prime is 50404499. The next prime is 50404547. The reversal of 50404531 is 13540405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50404531 - 2⁵ = 50404499 is a prime.

It is a super-2 number, since 2×50404531² = 5081233490659922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50404561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25202265 + 25202266.

It is an arithmetic number, because the mean of its divisors is an integer number (25202266).

Almost surely, 2^50404531 is an apocalyptic number.

50404531 is a deficient number, since it is larger than the sum of its proper divisors (1).

50404531 is an equidigital number, since it uses as much as digits as its factorization.

50404531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50404531 is about 7099.6148487083. The cubic root of 50404531 is about 369.3940190313.

Adding to 50404531 its reverse (13540405), we get a palindrome (63944936).

The spelling of 50404531 in words is "fifty million, four hundred four thousand, five hundred thirty-one".