53664533546635 has 16 divisors (see below), whose sum is σ = 70271762303232. Its totient is φ = 39017635394400.

The previous prime is 53664533546543. The next prime is 53664533546641.

53664533546635 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-53664533546635 is a prime.

It is a super-3 number, since 3×53664533546635³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138758589 + ... + 139144798.

It is an arithmetic number, because the mean of its divisors is an integer number (4391985143952).

Almost surely, 2^{53664533546635} is an apocalyptic number.

53664533546635 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53664533546635 is a deficient number, since it is larger than the sum of its proper divisors (16607228756597).

53664533546635 is a wasteful number, since it uses less digits than its factorization.

53664533546635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277906914.

The product of its digits is 1049760000, while the sum is 64.

The spelling of 53664533546635 in words is "fifty-three trillion, six hundred sixty-four billion, five hundred thirty-three million, five hundred forty-six thousand, six hundred thirty-five".