52664269 has 12 divisors (see below), whose sum is σ = 61391964. Its totient is φ = 45045504.

The previous prime is 52664263. The next prime is 52664281. The reversal of 52664269 is 96246625.

It can be written as a sum of positive squares in 2 ways, for example, as 13764100 + 38900169 = 3710^2 + 6237^2 .

It is not a de Polignac number, because 52664269 - 2²¹ = 50567117 is a prime.

It is a super-2 number, since 2×52664269² = 5547050458608722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52664263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32179 + ... + 33775.

It is an arithmetic number, because the mean of its divisors is an integer number (5115997).

Almost surely, 2^52664269 is an apocalyptic number.

It is an amenable number.

52664269 is a deficient number, since it is larger than the sum of its proper divisors (8727695).

52664269 is a wasteful number, since it uses less digits than its factorization.

52664269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284 (or 2277 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 52664269 is about 7257.0151577629. The cubic root of 52664269 is about 374.8337491208.

The spelling of 52664269 in words is "fifty-two million, six hundred sixty-four thousand, two hundred sixty-nine".