52665285 has 32 divisors (see below), whose sum is σ = 88397568. Its totient is φ = 26723840.

The previous prime is 52665281. The next prime is 52665307. The reversal of 52665285 is 58256625.

It is a happy number.

It is not a de Polignac number, because 52665285 - 2² = 52665281 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52665281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100825 + ... + 101345.

It is an arithmetic number, because the mean of its divisors is an integer number (2762424).

Almost surely, 2^52665285 is an apocalyptic number.

It is an amenable number.

52665285 is a deficient number, since it is larger than the sum of its proper divisors (35732283).

52665285 is a wasteful number, since it uses less digits than its factorization.

52665285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its digits is 144000, while the sum is 39.

The square root of 52665285 is about 7257.0851586570. The cubic root of 52665285 is about 374.8361595383.

The spelling of 52665285 in words is "fifty-two million, six hundred sixty-five thousand, two hundred eighty-five".