56852909 has 2 divisors, whose sum is σ = 56852910. Its totient is φ = 56852908.

The previous prime is 56852897. The next prime is 56852927. The reversal of 56852909 is 90925865.

56852909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54434884 + 2418025 = 7378^2 + 1555^2 .

It is a cyclic number.

It is not a de Polignac number, because 56852909 - 2¹⁶ = 56787373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56852909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56852969) 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, 28426454 + 28426455.

It is an arithmetic number, because the mean of its divisors is an integer number (28426455).

Almost surely, 2^56852909 is an apocalyptic number.

It is an amenable number.

56852909 is a deficient number, since it is larger than the sum of its proper divisors (1).

56852909 is an equidigital number, since it uses as much as digits as its factorization.

56852909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 56852909 is about 7540.0868032139. The cubic root of 56852909 is about 384.5187870981.

The spelling of 56852909 in words is "fifty-six million, eight hundred fifty-two thousand, nine hundred nine".