53531220625 has 40 divisors (see below), whose sum is σ = 69873883200. Its totient is φ = 40920264000.

The previous prime is 53531220623. The next prime is 53531220629. The reversal of 53531220625 is 52602213535.

It is not a de Polignac number, because 53531220625 - 2¹ = 53531220623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53531220623) 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 39 ways as a sum of consecutive naturals, for example, 24565786 + ... + 24567964.

It is an arithmetic number, because the mean of its divisors is an integer number (1746847080).

Almost surely, 2^53531220625 is an apocalyptic number.

It is an amenable number.

53531220625 is a deficient number, since it is larger than the sum of its proper divisors (16342662575).

53531220625 is a wasteful number, since it uses less digits than its factorization.

53531220625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931 (or 3916 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 53531220625 in words is "fifty-three billion, five hundred thirty-one million, two hundred twenty thousand, six hundred twenty-five".