53648686864 has 40 divisors (see below), whose sum is σ = 104932520000. Its totient is φ = 26570215296.

The previous prime is 53648686829. The next prime is 53648686901. The reversal of 53648686864 is 46868684635.

It is a junction number, because it is equal to n+sod(n) for n = 53648686796 and 53648686805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948862 + ... + 1003810.

It is an arithmetic number, because the mean of its divisors is an integer number (2623313000).

Almost surely, 2^53648686864 is an apocalyptic number.

It is an amenable number.

53648686864 is a deficient number, since it is larger than the sum of its proper divisors (51283833136).

53648686864 is a wasteful number, since it uses less digits than its factorization.

53648686864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55535 (or 55529 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 64.

The spelling of 53648686864 in words is "fifty-three billion, six hundred forty-eight million, six hundred eighty-six thousand, eight hundred sixty-four".