50543131 has 2 divisors, whose sum is σ = 50543132. Its totient is φ = 50543130.

The previous prime is 50543123. The next prime is 50543137. The reversal of 50543131 is 13134505.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50543131 - 2³ = 50543123 is a prime.

It is a super-2 number, since 2×50543131² = 5109216182566322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50543137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25271565 + 25271566.

It is an arithmetic number, because the mean of its divisors is an integer number (25271566).

Almost surely, 2^50543131 is an apocalyptic number.

50543131 is a deficient number, since it is larger than the sum of its proper divisors (1).

50543131 is an equidigital number, since it uses as much as digits as its factorization.

50543131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 50543131 is about 7109.3692406570. The cubic root of 50543131 is about 369.7322899122.

Adding to 50543131 its reverse (13134505), we get a palindrome (63677636).

The spelling of 50543131 in words is "fifty million, five hundred forty-three thousand, one hundred thirty-one".