52779167916528 has 80 divisors (see below), whose sum is σ = 140509139402016. Its totient is φ = 17059146071040.

The previous prime is 52779167916421. The next prime is 52779167916623. The reversal of 52779167916528 is 82561976197725.

It is a super-2 number, since 2×52779167916528² (a number of 28 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 52779167916528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50192943 + ... + 51233678.

Almost surely, 2^{52779167916528} is an apocalyptic number.

It is an amenable number.

52779167916528 is an abundant number, since it is smaller than the sum of its proper divisors (87729971485488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52779167916528 is a wasteful number, since it uses less digits than its factorization.

52779167916528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101426962 (or 101426956 counting only the distinct ones).

The product of its digits is 800150400, while the sum is 75.

The spelling of 52779167916528 in words is "fifty-two trillion, seven hundred seventy-nine billion, one hundred sixty-seven million, nine hundred sixteen thousand, five hundred twenty-eight".