53643340625 has 96 divisors (see below), whose sum is σ = 82385227008. Its totient is φ = 34087680000.

The previous prime is 53643340613. The next prime is 53643340627. The reversal of 53643340625 is 52604334635.

It is not a de Polignac number, because 53643340625 - 2¹⁶ = 53643275089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53643340627) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 24914549 + ... + 24916701.

It is an arithmetic number, because the mean of its divisors is an integer number (858179448).

Almost surely, 2^53643340625 is an apocalyptic number.

It is an amenable number.

53643340625 is a deficient number, since it is larger than the sum of its proper divisors (28741886383).

53643340625 is an equidigital number, since it uses as much as digits as its factorization.

53643340625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269 (or 2249 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 53643340625 in words is "fifty-three billion, six hundred forty-three million, three hundred forty thousand, six hundred twenty-five".