68105552 has 40 divisors (see below), whose sum is σ = 134574720. Its totient is φ = 33384960.

The previous prime is 68105549. The next prime is 68105563. The reversal of 68105552 is 25550186.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251177 + ... + 251447.

It is an arithmetic number, because the mean of its divisors is an integer number (3364368).

Almost surely, 2^68105552 is an apocalyptic number.

It is an amenable number.

68105552 is a deficient number, since it is larger than the sum of its proper divisors (66469168).

68105552 is a wasteful number, since it uses less digits than its factorization.

68105552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 68105552 is about 8252.6087996463. The cubic root of 68105552 is about 408.3765906508.

The spelling of 68105552 in words is "sixty-eight million, one hundred five thousand, five hundred fifty-two".