50806531 has 2 divisors, whose sum is σ = 50806532. Its totient is φ = 50806530.

The previous prime is 50806499. The next prime is 50806537. The reversal of 50806531 is 13560805.

50806531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50806531 - 2⁵ = 50806499 is a prime.

It is a super-2 number, since 2×50806531² = 5162607184507922, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 50806531.

It is not a weakly prime, because it can be changed into another prime (50806537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25403265 + 25403266.

It is an arithmetic number, because the mean of its divisors is an integer number (25403266).

Almost surely, 2^50806531 is an apocalyptic number.

50806531 is a deficient number, since it is larger than the sum of its proper divisors (1).

50806531 is an equidigital number, since it uses as much as digits as its factorization.

50806531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 50806531 is about 7127.8700184557. The cubic root of 50806531 is about 370.3734505513.

It can be divided in two parts, 5080 and 6531, that added together give a palindrome (11611).

The spelling of 50806531 in words is "fifty million, eight hundred six thousand, five hundred thirty-one".