50971579 has 2 divisors, whose sum is σ = 50971580. Its totient is φ = 50971578.

The previous prime is 50971541. The next prime is 50971619. The reversal of 50971579 is 97517905.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50971579 - 2⁷ = 50971451 is a prime.

It is not a weakly prime, because it can be changed into another prime (50971079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25485789 + 25485790.

It is an arithmetic number, because the mean of its divisors is an integer number (25485790).

Almost surely, 2^50971579 is an apocalyptic number.

50971579 is a deficient number, since it is larger than the sum of its proper divisors (1).

50971579 is an equidigital number, since it uses as much as digits as its factorization.

50971579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 99225, while the sum is 43.

The square root of 50971579 is about 7139.4382832265. The cubic root of 50971579 is about 370.7740770136.

The spelling of 50971579 in words is "fifty million, nine hundred seventy-one thousand, five hundred seventy-nine".