53106644664 has 48 divisors (see below), whose sum is σ = 147175399800. Its totient is φ = 17290534464.

The previous prime is 53106644653. The next prime is 53106644741. The reversal of 53106644664 is 46644660135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8573559 + ... + 8579750.

Almost surely, 2^53106644664 is an apocalyptic number.

It is an amenable number.

53106644664 is an abundant number, since it is smaller than the sum of its proper divisors (94068755136).

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

53106644664 is a wasteful number, since it uses less digits than its factorization.

53106644664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17153364 (or 17153357 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 53106644664 in words is "fifty-three billion, one hundred six million, six hundred forty-four thousand, six hundred sixty-four".