52644688644625 has 64 divisors (see below), whose sum is σ = 82042223837184. Its totient is φ = 32765455800000.

The previous prime is 52644688644623. The next prime is 52644688644631.

52644688644625 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52644688644625 - 2¹ = 52644688644623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52644688644623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1739320 + ... + 10407430.

It is an arithmetic number, because the mean of its divisors is an integer number (1281909747456).

Almost surely, 2^{52644688644625} is an apocalyptic number.

52644688644625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52644688644625 is a deficient number, since it is larger than the sum of its proper divisors (29397535192559).

52644688644625 is a wasteful number, since it uses less digits than its factorization.

52644688644625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668775 (or 8668765 counting only the distinct ones).

The product of its digits is 2123366400, while the sum is 70.

The spelling of 52644688644625 in words is "fifty-two trillion, six hundred forty-four billion, six hundred eighty-eight million, six hundred forty-four thousand, six hundred twenty-five".