53297724769 has 3 divisors (see below), whose sum is σ = 53297955633. Its totient is φ = 53297493906.

The previous prime is 53297724749. The next prime is 53297724793. The reversal of 53297724769 is 96742779235.

The square root of 53297724769 is 230863.

It is a perfect power (a square), and thus also a powerful number.

53297724769 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 brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 53297724769 - 2²⁹ = 52760853857 is a prime.

It is a super-2 number, since 2×53297724769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53297724749) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 115432 + ... + 346294.

It is an arithmetic number, because the mean of its divisors is an integer number (17765985211).

Almost surely, 2^53297724769 is an apocalyptic number.

53297724769 is the 230863-rd square number.

53297724769 is the 115432-nd centered octagonal number.

It is an amenable number.

53297724769 is a deficient number, since it is larger than the sum of its proper divisors (230864).

53297724769 is an frugal number, since it uses more digits than its factorization.

53297724769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461726 (or 230863 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 61.

The spelling of 53297724769 in words is "fifty-three billion, two hundred ninety-seven million, seven hundred twenty-four thousand, seven hundred sixty-nine".