52951992769 has 27 divisors (see below), whose sum is σ = 59351787747. Its totient is φ = 47219187600.

The previous prime is 52951992763. The next prime is 52951992787. The reversal of 52951992769 is 96729915925.

The square root of 52951992769 is 230113.

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., 7833135025 + 45118857744 = 88505^2 + 212412^2 .

It is not a de Polignac number, because 52951992769 - 2²⁷ = 52817775041 is a prime.

It is a super-2 number, since 2×52951992769² (a number of 22 digits) contains 22 as substring.

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 52951992769.

It is not an unprimeable number, because it can be changed into a prime (52951992763) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 92735254 + ... + 92735824.

It is an arithmetic number, because the mean of its divisors is an integer number (2198214361).

Almost surely, 2^52951992769 is an apocalyptic number.

52951992769 is the 230113-rd square number.

52951992769 is the 115057-th centered octagonal number.

It is an amenable number.

52951992769 is a deficient number, since it is larger than the sum of its proper divisors (6399794978).

52951992769 is an frugal number, since it uses more digits than its factorization.

52951992769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 615 counting only the distinct ones).

The product of its digits is 27556200, while the sum is 64.

Multiplying 52951992769 by its sum of digits (64), we get a square (3388927537216 = 1840904²).

The spelling of 52951992769 in words is "fifty-two billion, nine hundred fifty-one million, nine hundred ninety-two thousand, seven hundred sixty-nine".