50979893 has 2 divisors, whose sum is σ = 50979894. Its totient is φ = 50979892.

The previous prime is 50979881. The next prime is 50979899. The reversal of 50979893 is 39897905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48972004 + 2007889 = 6998^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 50979893 - 2⁸ = 50979637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50979899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25489946 + 25489947.

It is an arithmetic number, because the mean of its divisors is an integer number (25489947).

Almost surely, 2^50979893 is an apocalyptic number.

It is an amenable number.

50979893 is a deficient number, since it is larger than the sum of its proper divisors (1).

50979893 is an equidigital number, since it uses as much as digits as its factorization.

50979893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 50979893 is about 7140.0205181778. The cubic root of 50979893 is about 370.7942349666.

The spelling of 50979893 in words is "fifty million, nine hundred seventy-nine thousand, eight hundred ninety-three".