53789646820444 has 12 divisors (see below), whose sum is σ = 94132002293784. Its totient is φ = 26894789022224.

The previous prime is 53789646820369. The next prime is 53789646820463. The reversal of 53789646820444 is 44402864698735.

It is a super-2 number, since 2×53789646820444² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4901002 + ... + 11471665.

It is an arithmetic number, because the mean of its divisors is an integer number (7844333524482).

Almost surely, 2^{53789646820444} is an apocalyptic number.

It is an amenable number.

53789646820444 is a deficient number, since it is larger than the sum of its proper divisors (40342355473340).

53789646820444 is a wasteful number, since it uses less digits than its factorization.

53789646820444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17194004 (or 17194002 counting only the distinct ones).

The product of its (nonzero) digits is 1114767360, while the sum is 70.

The spelling of 53789646820444 in words is "fifty-three trillion, seven hundred eighty-nine billion, six hundred forty-six million, eight hundred twenty thousand, four hundred forty-four".