53684949825 has 576 divisors, whose sum is σ = 125477683200. Its totient is φ = 22320230400.

The previous prime is 53684949809. The next prime is 53684949839. The reversal of 53684949825 is 52894948635.

53684949825 is a `hidden beast` number, since 5 + 3 + 68 + 494 + 9 + 82 + 5 = 666.

It is not a de Polignac number, because 53684949825 - 2⁴ = 53684949809 is a prime.

Its product of digits (74649600) is a multiple of the sum of its prime divisors (135).

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 1142232952 + ... + 1142232998.

It is an arithmetic number, because the mean of its divisors is an integer number (217843200).

Almost surely, 2^53684949825 is an apocalyptic number.

It is an amenable number.

53684949825 is an abundant number, since it is smaller than the sum of its proper divisors (71792733375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53684949825 is a wasteful number, since it uses less digits than its factorization.

53684949825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 135 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 63.

The spelling of 53684949825 in words is "fifty-three billion, six hundred eighty-four million, nine hundred forty-nine thousand, eight hundred twenty-five".