53642660025 has 24 divisors (see below), whose sum is σ = 88699394304. Its totient is φ = 28606129600.

The previous prime is 53642660023. The next prime is 53642660063. The reversal of 53642660025 is 52006624635.

53642660025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53642660025 - 2¹ = 53642660023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53642660021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 705355 + ... + 777695.

It is an arithmetic number, because the mean of its divisors is an integer number (3695808096).

Almost surely, 2^53642660025 is an apocalyptic number.

It is an amenable number.

53642660025 is a deficient number, since it is larger than the sum of its proper divisors (35056734279).

53642660025 is a wasteful number, since it uses less digits than its factorization.

53642660025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82241 (or 82236 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 53642660025 in words is "fifty-three billion, six hundred forty-two million, six hundred sixty thousand, twenty-five".