53351325653 has 4 divisors (see below), whose sum is σ = 53352597228. Its totient is φ = 53350054080.

The previous prime is 53351325637. The next prime is 53351325659. The reversal of 53351325653 is 35652315335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30540358564 + 22810967089 = 174758^2 + 151033^2 .

It is a cyclic number.

It is not a de Polignac number, because 53351325653 - 2⁴ = 53351325637 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 53351325653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53351325659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570626 + ... + 657507.

It is an arithmetic number, because the mean of its divisors is an integer number (13338149307).

Almost surely, 2^53351325653 is an apocalyptic number.

It is an amenable number.

53351325653 is a deficient number, since it is larger than the sum of its proper divisors (1271575).

53351325653 is a wasteful number, since it uses less digits than its factorization.

53351325653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271574.

The product of its digits is 607500, while the sum is 41.

The spelling of 53351325653 in words is "fifty-three billion, three hundred fifty-one million, three hundred twenty-five thousand, six hundred fifty-three".