52693081 has 27 divisors (see below), whose sum is σ = 66198717. Its totient is φ = 41811840.

The previous prime is 52693051. The next prime is 52693097. The reversal of 52693081 is 18039625.

The square root of 52693081 is 7259.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4862025 + 47831056 = 2205^2 + 6916^2 .

It is not a de Polignac number, because 52693081 - 2⁷ = 52692953 is a prime.

It is a super-2 number, since 2×52693081² = 5553121570545122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52693051) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 863791 + ... + 863851.

Almost surely, 2^52693081 is an apocalyptic number.

52693081 is the 7259-th square number.

52693081 is the 3630-th centered octagonal number.

It is an amenable number.

52693081 is a deficient number, since it is larger than the sum of its proper divisors (13505636).

52693081 is an equidigital number, since it uses as much as digits as its factorization.

52693081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The cubic root of 52693081 is about 374.9020923657.

The spelling of 52693081 in words is "fifty-two million, six hundred ninety-three thousand, eighty-one".