52563997 has 2 divisors, whose sum is σ = 52563998. Its totient is φ = 52563996.

The previous prime is 52563977. The next prime is 52564027. The reversal of 52563997 is 79936525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45306361 + 7257636 = 6731^2 + 2694^2 .

It is a cyclic number.

It is not a de Polignac number, because 52563997 - 2¹⁹ = 52039709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52563967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26281998 + 26281999.

It is an arithmetic number, because the mean of its divisors is an integer number (26281999).

Almost surely, 2^52563997 is an apocalyptic number.

It is an amenable number.

52563997 is a deficient number, since it is larger than the sum of its proper divisors (1).

52563997 is an equidigital number, since it uses as much as digits as its factorization.

52563997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 46.

The square root of 52563997 is about 7250.1032406442. The cubic root of 52563997 is about 374.5957053158.

The spelling of 52563997 in words is "fifty-two million, five hundred sixty-three thousand, nine hundred ninety-seven".