52719374449 has 9 divisors (see below), whose sum is σ = 61328488971. Its totient is φ = 45186657600.

The previous prime is 52719374443. The next prime is 52719374453. The reversal of 52719374449 is 94447391725.

The square root of 52719374449 is 229607.

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

It can be written as a sum of positive squares in only one way, i.e., 8029414449 + 44689960000 = 89607^2 + 211400^2 .

It is not a de Polignac number, because 52719374449 - 2⁵ = 52719374417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52719374449.

It is not an unprimeable number, because it can be changed into a prime (52719374443) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1590849 + ... + 1623649.

Almost surely, 2^52719374449 is an apocalyptic number.

52719374449 is the 229607-th square number.

52719374449 is the 114804-th centered octagonal number.

It is an amenable number.

52719374449 is a deficient number, since it is larger than the sum of its proper divisors (8609114522).

52719374449 is an frugal number, since it uses more digits than its factorization.

52719374449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65616 (or 32808 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The spelling of 52719374449 in words is "fifty-two billion, seven hundred nineteen million, three hundred seventy-four thousand, four hundred forty-nine".