52561710612564 has 12 divisors (see below), whose sum is σ = 122643991429344. Its totient is φ = 17520570204184.

The previous prime is 52561710612517. The next prime is 52561710612617. The reversal of 52561710612564 is 46521601716525.

52561710612564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×52561710612564² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190071275512 + ... + 2190071275535.

It is an arithmetic number, because the mean of its divisors is an integer number (10220332619112).

Almost surely, 2^{52561710612564} is an apocalyptic number.

It is an amenable number.

52561710612564 is an abundant number, since it is smaller than the sum of its proper divisors (70082280816780).

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

52561710612564 is a wasteful number, since it uses less digits than its factorization.

52561710612564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380142551054 (or 4380142551052 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 52561710612564 in words is "fifty-two trillion, five hundred sixty-one billion, seven hundred ten million, six hundred twelve thousand, five hundred sixty-four".