52655969 has 4 divisors (see below), whose sum is σ = 53167296. Its totient is φ = 52144644.

The previous prime is 52655929. The next prime is 52655971. The reversal of 52655969 is 96955625.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52655969 is a prime.

It is a super-2 number, since 2×52655969² = 5545302142657922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52655929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255509 + ... + 255714.

It is an arithmetic number, because the mean of its divisors is an integer number (13291824).

Almost surely, 2^52655969 is an apocalyptic number.

It is an amenable number.

52655969 is a deficient number, since it is larger than the sum of its proper divisors (511327).

52655969 is a wasteful number, since it uses less digits than its factorization.

52655969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511326.

The product of its digits is 729000, while the sum is 47.

The square root of 52655969 is about 7256.4432747731. The cubic root of 52655969 is about 374.8140565561.

The spelling of 52655969 in words is "fifty-two million, six hundred fifty-five thousand, nine hundred sixty-nine".