50577139 has 2 divisors, whose sum is σ = 50577140. Its totient is φ = 50577138.

The previous prime is 50577133. The next prime is 50577157. The reversal of 50577139 is 93177505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50577139 - 2⁹ = 50576627 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50577098 and 50577107.

It is not a weakly prime, because it can be changed into another prime (50577133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25288569 + 25288570.

It is an arithmetic number, because the mean of its divisors is an integer number (25288570).

Almost surely, 2^50577139 is an apocalyptic number.

50577139 is a deficient number, since it is larger than the sum of its proper divisors (1).

50577139 is an equidigital number, since it uses as much as digits as its factorization.

50577139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 50577139 is about 7111.7606118316. The cubic root of 50577139 is about 369.8151962433.

The spelling of 50577139 in words is "fifty million, five hundred seventy-seven thousand, one hundred thirty-nine".