53664533546634 has 24 divisors (see below), whose sum is σ = 120579569204640. Its totient is φ = 17888177848716.

The previous prime is 53664533546543. The next prime is 53664533546641. The reversal of 53664533546634 is 43664533546635.

53664533546634 is a `hidden beast` number, since 5 + 3 + 6 + 6 + 4 + 53 + 3 + 546 + 6 + 34 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55210424974 + ... + 55210425945.

It is an arithmetic number, because the mean of its divisors is an integer number (5024148716860).

Almost surely, 2^{53664533546634} is an apocalyptic number.

53664533546634 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

53664533546634 is an abundant number, since it is smaller than the sum of its proper divisors (66915035658006).

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

53664533546634 is a wasteful number, since it uses less digits than its factorization.

53664533546634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110420850936 (or 110420850924 counting only the distinct ones).

The product of its digits is 839808000, while the sum is 63.

Subtracting from 53664533546634 its reverse (43664533546635), we obtain a palindrome (9999999999999).

The spelling of 53664533546634 in words is "fifty-three trillion, six hundred sixty-four billion, five hundred thirty-three million, five hundred forty-six thousand, six hundred thirty-four".