68555576 has 8 divisors (see below), whose sum is σ = 128541720. Its totient is φ = 34277784.

The previous prime is 68555569. The next prime is 68555603. The reversal of 68555576 is 67555586.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 68555576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4284716 + ... + 4284731.

It is an arithmetic number, because the mean of its divisors is an integer number (16067715).

Almost surely, 2^68555576 is an apocalyptic number.

It is an amenable number.

68555576 is a deficient number, since it is larger than the sum of its proper divisors (59986144).

68555576 is a wasteful number, since it uses less digits than its factorization.

68555576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8569453 (or 8569449 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 47.

The square root of 68555576 is about 8279.8294668429. The cubic root of 68555576 is about 409.2740992589.

The spelling of 68555576 in words is "sixty-eight million, five hundred fifty-five thousand, five hundred seventy-six".