68555365 has 8 divisors (see below), whose sum is σ = 83191320. Its totient is φ = 54227712.

The previous prime is 68555351. The next prime is 68555369. The reversal of 68555365 is 56355586.

It can be written as a sum of positive squares in 4 ways, for example, as 145924 + 68409441 = 382^2 + 8271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68555365 - 2⁹ = 68554853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68555369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76584 + ... + 77473.

It is an arithmetic number, because the mean of its divisors is an integer number (10398915).

Almost surely, 2^68555365 is an apocalyptic number.

It is an amenable number.

68555365 is a deficient number, since it is larger than the sum of its proper divisors (14635955).

68555365 is a wasteful number, since it uses less digits than its factorization.

68555365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154151.

The product of its digits is 540000, while the sum is 43.

The square root of 68555365 is about 8279.8167250248. The cubic root of 68555365 is about 409.2736793713.

The spelling of 68555365 in words is "sixty-eight million, five hundred fifty-five thousand, three hundred sixty-five".