53721733916 has 6 divisors (see below), whose sum is σ = 94013034360. Its totient is φ = 26860866956.

The previous prime is 53721733909. The next prime is 53721733927. The reversal of 53721733916 is 61933712735.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715216736 + ... + 6715216743.

It is an arithmetic number, because the mean of its divisors is an integer number (15668839060).

Almost surely, 2^53721733916 is an apocalyptic number.

It is an amenable number.

53721733916 is a deficient number, since it is larger than the sum of its proper divisors (40291300444).

53721733916 is a wasteful number, since it uses less digits than its factorization.

53721733916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13430433483 (or 13430433481 counting only the distinct ones).

The product of its digits is 714420, while the sum is 47.

The spelling of 53721733916 in words is "fifty-three billion, seven hundred twenty-one million, seven hundred thirty-three thousand, nine hundred sixteen".