52785503 has 2 divisors, whose sum is σ = 52785504. Its totient is φ = 52785502.

The previous prime is 52785479. The next prime is 52785511. The reversal of 52785503 is 30558725.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52785503 - 2⁸ = 52785247 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52785583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26392751 + 26392752.

It is an arithmetic number, because the mean of its divisors is an integer number (26392752).

Almost surely, 2^52785503 is an apocalyptic number.

52785503 is the 3884-th centered heptagonal number.

52785503 is a deficient number, since it is larger than the sum of its proper divisors (1).

52785503 is an equidigital number, since it uses as much as digits as its factorization.

52785503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 52785503 is about 7265.3632393708. The cubic root of 52785503 is about 375.1211531505.

The spelling of 52785503 in words is "fifty-two million, seven hundred eighty-five thousand, five hundred three".