52423013444 has 12 divisors (see below), whose sum is σ = 93977841468. Its totient is φ = 25572201600.

The previous prime is 52423013431. The next prime is 52423013473. The reversal of 52423013444 is 44431032425.

It can be written as a sum of positive squares in 2 ways, for example, as 4412944900 + 48010068544 = 66430^2 + 219112^2 .

It is a super-2 number, since 2×52423013444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52423013444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159826097 + ... + 159826424.

It is an arithmetic number, because the mean of its divisors is an integer number (7831486789).

Almost surely, 2^52423013444 is an apocalyptic number.

It is an amenable number.

52423013444 is a deficient number, since it is larger than the sum of its proper divisors (41554828024).

52423013444 is a wasteful number, since it uses less digits than its factorization.

52423013444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319652566 (or 319652564 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 52423013444 its reverse (44431032425), we get a palindrome (96854045869).

The spelling of 52423013444 in words is "fifty-two billion, four hundred twenty-three million, thirteen thousand, four hundred forty-four".