52985567 has 2 divisors, whose sum is σ = 52985568. Its totient is φ = 52985566.

The previous prime is 52985557. The next prime is 52985573. The reversal of 52985567 is 76558925.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52985567 - 2⁴ = 52985551 is a prime.

It is a super-2 number, since 2×52985567² = 5614940620622978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52985557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26492783 + 26492784.

It is an arithmetic number, because the mean of its divisors is an integer number (26492784).

Almost surely, 2^52985567 is an apocalyptic number.

52985567 is a deficient number, since it is larger than the sum of its proper divisors (1).

52985567 is an equidigital number, since it uses as much as digits as its factorization.

52985567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 47.

The square root of 52985567 is about 7279.1185592763. The cubic root of 52985567 is about 375.5944751741.

The spelling of 52985567 in words is "fifty-two million, nine hundred eighty-five thousand, five hundred sixty-seven".