52240939 has 2 divisors, whose sum is σ = 52240940. Its totient is φ = 52240938.

The previous prime is 52240933. The next prime is 52240943. The reversal of 52240939 is 93904225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52240939 - 2⁹ = 52240427 is a prime.

It is not a weakly prime, because it can be changed into another prime (52240933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26120469 + 26120470.

It is an arithmetic number, because the mean of its divisors is an integer number (26120470).

Almost surely, 2^52240939 is an apocalyptic number.

52240939 is a deficient number, since it is larger than the sum of its proper divisors (1).

52240939 is an equidigital number, since it uses as much as digits as its factorization.

52240939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 52240939 is about 7227.7893577497. The cubic root of 52240939 is about 373.8267067759.

The spelling of 52240939 in words is "fifty-two million, two hundred forty thousand, nine hundred thirty-nine".