52265681 has 16 divisors (see below), whose sum is σ = 58000320. Its totient is φ = 46799040.

The previous prime is 52265677. The next prime is 52265699. The reversal of 52265681 is 18656225.

It is a cyclic number.

It is not a de Polignac number, because 52265681 - 2² = 52265677 is a prime.

It is a super-2 number, since 2×52265681² = 5463402820787522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52265621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63251 + ... + 64071.

It is an arithmetic number, because the mean of its divisors is an integer number (3625020).

Almost surely, 2^52265681 is an apocalyptic number.

It is an amenable number.

52265681 is a deficient number, since it is larger than the sum of its proper divisors (5734639).

52265681 is a wasteful number, since it uses less digits than its factorization.

52265681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its digits is 28800, while the sum is 35.

The square root of 52265681 is about 7229.5007434815. The cubic root of 52265681 is about 373.8857138863.

The spelling of 52265681 in words is "fifty-two million, two hundred sixty-five thousand, six hundred eighty-one".