52556939 has 2 divisors, whose sum is σ = 52556940. Its totient is φ = 52556938.

The previous prime is 52556923. The next prime is 52556953. The reversal of 52556939 is 93965525.

52556939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52556939 - 2⁴ = 52556923 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52556939.

It is not a weakly prime, because it can be changed into another prime (52556989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26278469 + 26278470.

It is an arithmetic number, because the mean of its divisors is an integer number (26278470).

Almost surely, 2^52556939 is an apocalyptic number.

52556939 is a deficient number, since it is larger than the sum of its proper divisors (1).

52556939 is an equidigital number, since it uses as much as digits as its factorization.

52556939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 364500, while the sum is 44.

The square root of 52556939 is about 7249.6164726143. The cubic root of 52556939 is about 374.5789383588.

The spelling of 52556939 in words is "fifty-two million, five hundred fifty-six thousand, nine hundred thirty-nine".