53755215634647 has 48 divisors (see below), whose sum is σ = 79725737478816. Its totient is φ = 34883043552000.

The previous prime is 53755215634639. The next prime is 53755215634663. The reversal of 53755215634647 is 74643651255735.

53755215634647 is a `hidden beast` number, since 5 + 3 + 7 + 5 + 5 + 2 + 1 + 563 + 4 + 64 + 7 = 666.

It is not a de Polignac number, because 53755215634647 - 2³ = 53755215634639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53755215634697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153138997 + ... + 153489617.

It is an arithmetic number, because the mean of its divisors is an integer number (1660952864142).

Almost surely, 2^{53755215634647} is an apocalyptic number.

53755215634647 is a deficient number, since it is larger than the sum of its proper divisors (25970521844169).

53755215634647 is a wasteful number, since it uses less digits than its factorization.

53755215634647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352032 (or 352029 counting only the distinct ones).

The product of its digits is 317520000, while the sum is 63.

The spelling of 53755215634647 in words is "fifty-three trillion, seven hundred fifty-five billion, two hundred fifteen million, six hundred thirty-four thousand, six hundred forty-seven".