50765021 has 2 divisors, whose sum is σ = 50765022. Its totient is φ = 50765020.

The previous prime is 50764997. The next prime is 50765027. The reversal of 50765021 is 12056705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 156025 = 7114^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 50765021 - 2¹⁸ = 50502877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50765027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25382510 + 25382511.

It is an arithmetic number, because the mean of its divisors is an integer number (25382511).

Almost surely, 2^50765021 is an apocalyptic number.

It is an amenable number.

50765021 is a deficient number, since it is larger than the sum of its proper divisors (1).

50765021 is an equidigital number, since it uses as much as digits as its factorization.

50765021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 50765021 is about 7124.9576139090. The cubic root of 50765021 is about 370.2725554462.

The spelling of 50765021 in words is "fifty million, seven hundred sixty-five thousand, twenty-one".