53664155625 has 40 divisors (see below), whose sum is σ = 92494892160. Its totient is φ = 27633928000.

The previous prime is 53664155593. The next prime is 53664155653. The reversal of 53664155625 is 52655146635.

It is not a de Polignac number, because 53664155625 - 2⁵ = 53664155593 is a prime.

It is an unprimeable number.

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, 439089 + ... + 547838.

It is an arithmetic number, because the mean of its divisors is an integer number (2312372304).

Almost surely, 2^53664155625 is an apocalyptic number.

It is an amenable number.

53664155625 is a deficient number, since it is larger than the sum of its proper divisors (38830736535).

53664155625 is an equidigital number, since it uses as much as digits as its factorization.

53664155625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986979 (or 986964 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 48.

The spelling of 53664155625 in words is "fifty-three billion, six hundred sixty-four million, one hundred fifty-five thousand, six hundred twenty-five".