50998579 has 2 divisors, whose sum is σ = 50998580. Its totient is φ = 50998578.

The previous prime is 50998553. The next prime is 50998621. The reversal of 50998579 is 97589905.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50998579 is a prime.

It is not a weakly prime, because it can be changed into another prime (50998279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25499289 + 25499290.

It is an arithmetic number, because the mean of its divisors is an integer number (25499290).

Almost surely, 2^50998579 is an apocalyptic number.

50998579 is a deficient number, since it is larger than the sum of its proper divisors (1).

50998579 is an equidigital number, since it uses as much as digits as its factorization.

50998579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 52.

The square root of 50998579 is about 7141.3289379499. The cubic root of 50998579 is about 370.8395326602.

The spelling of 50998579 in words is "fifty million, nine hundred ninety-eight thousand, five hundred seventy-nine".