68800056556 has 48 divisors (see below), whose sum is σ = 154166245632. Its totient is φ = 26080747200.

The previous prime is 68800056539. The next prime is 68800056557. The reversal of 68800056556 is 65565000886.

It is a super-2 number, since 2×68800056556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68800056557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3007210 + ... + 3030001.

It is an arithmetic number, because the mean of its divisors is an integer number (3211796784).

Almost surely, 2^68800056556 is an apocalyptic number.

It is an amenable number.

68800056556 is an abundant number, since it is smaller than the sum of its proper divisors (85366189076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68800056556 is a wasteful number, since it uses less digits than its factorization.

68800056556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037270 (or 6037268 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 68800056556 in words is "sixty-eight billion, eight hundred million, fifty-six thousand, five hundred fifty-six".