52788569 has 4 divisors (see below), whose sum is σ = 52882896. Its totient is φ = 52694244.

The previous prime is 52788523. The next prime is 52788599. The reversal of 52788569 is 96588725.

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-52788569 is a prime.

It is a super-2 number, since 2×52788569² = 5573266034135522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52788509) 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, 46319 + ... + 47444.

It is an arithmetic number, because the mean of its divisors is an integer number (13220724).

Almost surely, 2^52788569 is an apocalyptic number.

It is an amenable number.

52788569 is a deficient number, since it is larger than the sum of its proper divisors (94327).

52788569 is an equidigital number, since it uses as much as digits as its factorization.

52788569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94326.

The product of its digits is 1209600, while the sum is 50.

The square root of 52788569 is about 7265.5742374571. The cubic root of 52788569 is about 375.1284158718.

The spelling of 52788569 in words is "fifty-two million, seven hundred eighty-eight thousand, five hundred sixty-nine".