68555358 has 36 divisors (see below), whose sum is σ = 150410520. Its totient is φ = 22566888.

The previous prime is 68555351. The next prime is 68555369. The reversal of 68555358 is 85355586.

68555358 is a `hidden beast` number, since 68 + 55 + 535 + 8 = 666.

It is a super-2 number, since 2×68555358² = 9399674221016328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68555351) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 190783 + ... + 191141.

It is an arithmetic number, because the mean of its divisors is an integer number (4178070).

Almost surely, 2^68555358 is an apocalyptic number.

68555358 is an abundant number, since it is smaller than the sum of its proper divisors (81855162).

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

68555358 is a wasteful number, since it uses less digits than its factorization.

68555358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 467 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The square root of 68555358 is about 8279.8163023101. The cubic root of 68555358 is about 409.2736654413.

The spelling of 68555358 in words is "sixty-eight million, five hundred fifty-five thousand, three hundred fifty-eight".