52790509 has 2 divisors, whose sum is σ = 52790510. Its totient is φ = 52790508.

The previous prime is 52790503. The next prime is 52790519. The reversal of 52790509 is 90509725.

52790509 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., 40386025 + 12404484 = 6355^2 + 3522^2 .

It is a cyclic number.

It is not a de Polignac number, because 52790509 - 2¹⁷ = 52659437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52790503) 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, 26395254 + 26395255.

It is an arithmetic number, because the mean of its divisors is an integer number (26395255).

Almost surely, 2^52790509 is an apocalyptic number.

It is an amenable number.

52790509 is a deficient number, since it is larger than the sum of its proper divisors (1).

52790509 is an equidigital number, since it uses as much as digits as its factorization.

52790509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 52790509 is about 7265.7077425396. The cubic root of 52790509 is about 375.1330111862.

The spelling of 52790509 in words is "fifty-two million, seven hundred ninety thousand, five hundred nine".