52066939 has 2 divisors, whose sum is σ = 52066940. Its totient is φ = 52066938.

The previous prime is 52066921. The next prime is 52066967. The reversal of 52066939 is 93966025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52066939 - 2⁵ = 52066907 is a prime.

It is a super-2 number, since 2×52066939² = 5421932273659442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52066909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26033469 + 26033470.

It is an arithmetic number, because the mean of its divisors is an integer number (26033470).

Almost surely, 2^52066939 is an apocalyptic number.

52066939 is a deficient number, since it is larger than the sum of its proper divisors (1).

52066939 is an equidigital number, since it uses as much as digits as its factorization.

52066939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 52066939 is about 7215.7424427428. The cubic root of 52066939 is about 373.4112076247.

The spelling of 52066939 in words is "fifty-two million, sixty-six thousand, nine hundred thirty-nine".