53325372643 has 16 divisors (see below), whose sum is σ = 54443376000. Its totient is φ = 52219514880.

The previous prime is 53325372629. The next prime is 53325372647. The reversal of 53325372643 is 34627352335.

53325372643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53325372643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53325372643.

It is not an unprimeable number, because it can be changed into a prime (53325372647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8954755 + ... + 8960707.

It is an arithmetic number, because the mean of its divisors is an integer number (3402711000).

Almost surely, 2^53325372643 is an apocalyptic number.

53325372643 is a deficient number, since it is larger than the sum of its proper divisors (1118003357).

53325372643 is a wasteful number, since it uses less digits than its factorization.

53325372643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942.

The product of its digits is 1360800, while the sum is 43.

The spelling of 53325372643 in words is "fifty-three billion, three hundred twenty-five million, three hundred seventy-two thousand, six hundred forty-three".