68553308 has 12 divisors (see below), whose sum is σ = 120264480. Its totient is φ = 34192032.

The previous prime is 68553301. The next prime is 68553313. The reversal of 68553308 is 80335586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68553301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19316 + ... + 22587.

It is an arithmetic number, because the mean of its divisors is an integer number (10022040).

Almost surely, 2^68553308 is an apocalyptic number.

It is an amenable number.

68553308 is a deficient number, since it is larger than the sum of its proper divisors (51711172).

68553308 is a wasteful number, since it uses less digits than its factorization.

68553308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42316 (or 42314 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 68553308 is about 8279.6925063676. The cubic root of 68553308 is about 409.2695859188.

The spelling of 68553308 in words is "sixty-eight million, five hundred fifty-three thousand, three hundred eight".