50539081 has 2 divisors, whose sum is σ = 50539082. Its totient is φ = 50539080.

The previous prime is 50539067. The next prime is 50539091. The reversal of 50539081 is 18093505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29333056 + 21206025 = 5416^2 + 4605^2 .

It is a cyclic number.

It is not a de Polignac number, because 50539081 - 2⁷ = 50538953 is a prime.

It is a super-2 number, since 2×50539081² = 5108397416649122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50539091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25269540 + 25269541.

It is an arithmetic number, because the mean of its divisors is an integer number (25269541).

Almost surely, 2^50539081 is an apocalyptic number.

It is an amenable number.

50539081 is a deficient number, since it is larger than the sum of its proper divisors (1).

50539081 is an equidigital number, since it uses as much as digits as its factorization.

50539081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 50539081 is about 7109.0843995553. The cubic root of 50539081 is about 369.7224141504.

The spelling of 50539081 in words is "fifty million, five hundred thirty-nine thousand, eighty-one".