52272769 has 4 divisors (see below), whose sum is σ = 52289280. Its totient is φ = 52256260.

The previous prime is 52272763. The next prime is 52272793. The reversal of 52272769 is 96727225.

52272769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 52272769 - 2¹³ = 52264577 is a prime.

It is a super-2 number, since 2×52272769² = 5464884757854722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52272763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849 + ... + 10390.

It is an arithmetic number, because the mean of its divisors is an integer number (13072320).

Almost surely, 2^52272769 is an apocalyptic number.

It is an amenable number.

52272769 is a deficient number, since it is larger than the sum of its proper divisors (16511).

52272769 is a wasteful number, since it uses less digits than its factorization.

52272769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16510.

The product of its digits is 105840, while the sum is 40.

The square root of 52272769 is about 7229.9909405199. The cubic root of 52272769 is about 373.9026146014.

The spelling of 52272769 in words is "fifty-two million, two hundred seventy-two thousand, seven hundred sixty-nine".