52775444457724 has 24 divisors (see below), whose sum is σ = 92916428407488. Its totient is φ = 26227977376320.

The previous prime is 52775444457667. The next prime is 52775444457763. The reversal of 52775444457724 is 42775444457725.

It is a self number, because there is not a number n which added to its sum of digits gives 52775444457724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7967812 + ... + 13001419.

It is an arithmetic number, because the mean of its divisors is an integer number (3871517850312).

Almost surely, 2^{52775444457724} is an apocalyptic number.

It is an amenable number.

52775444457724 is a deficient number, since it is larger than the sum of its proper divisors (40140983949764).

52775444457724 is a wasteful number, since it uses less digits than its factorization.

52775444457724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20973045 (or 20973043 counting only the distinct ones).

The product of its digits is 1229312000, while the sum is 67.

Subtracting from 52775444457724 its reverse (42775444457725), we obtain a palindrome (9999999999999).

The spelling of 52775444457724 in words is "fifty-two trillion, seven hundred seventy-five billion, four hundred forty-four million, four hundred fifty-seven thousand, seven hundred twenty-four".