50597621 has 2 divisors, whose sum is σ = 50597622. Its totient is φ = 50597620.

The previous prime is 50597587. The next prime is 50597623. The reversal of 50597621 is 12679505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32364721 + 18232900 = 5689^2 + 4270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50597621 is a prime.

Together with 50597623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50597623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25298810 + 25298811.

It is an arithmetic number, because the mean of its divisors is an integer number (25298811).

Almost surely, 2^50597621 is an apocalyptic number.

It is an amenable number.

50597621 is a deficient number, since it is larger than the sum of its proper divisors (1).

50597621 is an equidigital number, since it uses as much as digits as its factorization.

50597621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 50597621 is about 7113.2004751729. The cubic root of 50597621 is about 369.8651103135.

The spelling of 50597621 in words is "fifty million, five hundred ninety-seven thousand, six hundred twenty-one".