68553904 has 20 divisors (see below), whose sum is σ = 133005376. Its totient is φ = 34229952.

The previous prime is 68553839. The next prime is 68553913. The reversal of 68553904 is 40935586.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11137 + ... + 16159.

Almost surely, 2^68553904 is an apocalyptic number.

It is an amenable number.

68553904 is a deficient number, since it is larger than the sum of its proper divisors (64451472).

68553904 is a wasteful number, since it uses less digits than its factorization.

68553904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884 (or 5878 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 68553904 is about 8279.7284979642. The cubic root of 68553904 is about 409.2707719737.

The spelling of 68553904 in words is "sixty-eight million, five hundred fifty-three thousand, nine hundred four".