50921597 has 2 divisors, whose sum is σ = 50921598. Its totient is φ = 50921596.

The previous prime is 50921581. The next prime is 50921603. The reversal of 50921597 is 79512905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44009956 + 6911641 = 6634^2 + 2629^2 .

It is a cyclic number.

It is not a de Polignac number, because 50921597 - 2⁴ = 50921581 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50921597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50921527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25460798 + 25460799.

It is an arithmetic number, because the mean of its divisors is an integer number (25460799).

Almost surely, 2^50921597 is an apocalyptic number.

It is an amenable number.

50921597 is a deficient number, since it is larger than the sum of its proper divisors (1).

50921597 is an equidigital number, since it uses as much as digits as its factorization.

50921597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 50921597 is about 7135.9370092511. The cubic root of 50921597 is about 370.6528454633.

The spelling of 50921597 in words is "fifty million, nine hundred twenty-one thousand, five hundred ninety-seven".