68575554 has 12 divisors (see below), whose sum is σ = 148580406. Its totient is φ = 22858512.

The previous prime is 68575547. The next prime is 68575571. The reversal of 68575554 is 45557586.

It can be written as a sum of positive squares in only one way, i.e., 60606225 + 7969329 = 7785^2 + 2823^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1904859 + ... + 1904894.

Almost surely, 2^68575554 is an apocalyptic number.

68575554 is an abundant number, since it is smaller than the sum of its proper divisors (80004852).

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

68575554 is a wasteful number, since it uses less digits than its factorization.

68575554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809761 (or 3809758 counting only the distinct ones).

The product of its digits is 840000, while the sum is 45.

The square root of 68575554 is about 8281.0358047771. The cubic root of 68575554 is about 409.3138513565.

The spelling of 68575554 in words is "sixty-eight million, five hundred seventy-five thousand, five hundred fifty-four".