52563402356 has 12 divisors (see below), whose sum is σ = 91994807268. Its totient is φ = 26279171712.

The previous prime is 52563402319. The next prime is 52563402413. The reversal of 52563402356 is 65320436525.

It can be written as a sum of positive squares in 2 ways, for example, as 18455222500 + 34108179856 = 135850^2 + 184684^2 .

It is a super-2 number, since 2×52563402356² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585221 + ... + 669036.

It is an arithmetic number, because the mean of its divisors is an integer number (7666233939).

Almost surely, 2^52563402356 is an apocalyptic number.

It is an amenable number.

52563402356 is a deficient number, since it is larger than the sum of its proper divisors (39431404912).

52563402356 is a wasteful number, since it uses less digits than its factorization.

52563402356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264738 (or 1264736 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 52563402356 in words is "fifty-two billion, five hundred sixty-three million, four hundred two thousand, three hundred fifty-six".