52256665 has 8 divisors (see below), whose sum is σ = 63108360. Its totient is φ = 41538432.

The previous prime is 52256663. The next prime is 52256681. The reversal of 52256665 is 56665225.

It can be written as a sum of positive squares in 4 ways, for example, as 301401 + 51955264 = 549^2 + 7208^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52256665 - 2¹ = 52256663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52256663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32500 + ... + 34069.

It is an arithmetic number, because the mean of its divisors is an integer number (7888545).

Almost surely, 2^52256665 is an apocalyptic number.

It is an amenable number.

52256665 is a deficient number, since it is larger than the sum of its proper divisors (10851695).

52256665 is a wasteful number, since it uses less digits than its factorization.

52256665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66731.

The product of its digits is 108000, while the sum is 37.

The square root of 52256665 is about 7228.8771603894. The cubic root of 52256665 is about 373.8642138160.

The spelling of 52256665 in words is "fifty-two million, two hundred fifty-six thousand, six hundred sixty-five".