68544056 has 32 divisors (see below), whose sum is σ = 148659840. Its totient is φ = 29020128.

The previous prime is 68544037. The next prime is 68544067. The reversal of 68544056 is 65044586.

It is a super-2 number, since 2×68544056² = 9396575225862272, which 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 7 ways as a sum of consecutive naturals, for example, 2726 + ... + 12021.

It is an arithmetic number, because the mean of its divisors is an integer number (4645620).

Almost surely, 2^68544056 is an apocalyptic number.

It is an amenable number.

68544056 is an abundant number, since it is smaller than the sum of its proper divisors (80115784).

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

68544056 is a wasteful number, since it uses less digits than its factorization.

68544056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14843 (or 14839 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 68544056 is about 8279.1337711140. The cubic root of 68544056 is about 409.2511733254.

The spelling of 68544056 in words is "sixty-eight million, five hundred forty-four thousand, fifty-six".