53868666666656 has 12 divisors (see below), whose sum is σ = 106053937500042. Its totient is φ = 26934333333312.

The previous prime is 53868666666631. The next prime is 53868666666677. The reversal of 53868666666656 is 65666666686835.

It can be written as a sum of positive squares in only one way, i.e., 34959075264400 + 18909591402256 = 5912620^2 + 4348516^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841697916635 + ... + 841697916698.

Almost surely, 2^{53868666666656} is an apocalyptic number.

It is an amenable number.

53868666666656 is a deficient number, since it is larger than the sum of its proper divisors (52185270833386).

53868666666656 is a wasteful number, since it uses less digits than its factorization.

53868666666656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683395833343 (or 1683395833335 counting only the distinct ones).

The product of its digits is 48372940800, while the sum is 83.

The spelling of 53868666666656 in words is "fifty-three trillion, eight hundred sixty-eight billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred fifty-six".