50326021 has 2 divisors, whose sum is σ = 50326022. Its totient is φ = 50326020.

The previous prime is 50326013. The next prime is 50326033. The reversal of 50326021 is 12062305.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49140100 + 1185921 = 7010^2 + 1089^2 .

It is a cyclic number.

It is not a de Polignac number, because 50326021 - 2³ = 50326013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50326021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50326061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25163010 + 25163011.

It is an arithmetic number, because the mean of its divisors is an integer number (25163011).

Almost surely, 2^50326021 is an apocalyptic number.

It is an amenable number.

50326021 is a deficient number, since it is larger than the sum of its proper divisors (1).

50326021 is an equidigital number, since it uses as much as digits as its factorization.

50326021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 50326021 is about 7094.0835207939. The cubic root of 50326021 is about 369.2021302317.

Adding to 50326021 its reverse (12062305), we get a palindrome (62388326).

The spelling of 50326021 in words is "fifty million, three hundred twenty-six thousand, twenty-one".