53989298816 has 32 divisors (see below), whose sum is σ = 107939642580. Its totient is φ = 26898565120.

The previous prime is 53989298809. The next prime is 53989298833. The reversal of 53989298816 is 61889298935.

It can be written as a sum of positive squares in 2 ways, for example, as 51572593216 + 2416705600 = 227096^2 + 49160^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714551 + ... + 786486.

Almost surely, 2^53989298816 is an apocalyptic number.

It is an amenable number.

53989298816 is a deficient number, since it is larger than the sum of its proper divisors (53950343764).

53989298816 is a wasteful number, since it uses less digits than its factorization.

53989298816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501332 (or 1501320 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 68.

The spelling of 53989298816 in words is "fifty-three billion, nine hundred eighty-nine million, two hundred ninety-eight thousand, eight hundred sixteen".