68310055 has 8 divisors (see below), whose sum is σ = 89424144. Its totient is φ = 49680000.

The previous prime is 68310049. The next prime is 68310061. The reversal of 68310055 is 55001386.

It is an interprime number because it is at equal distance from previous prime (68310049) and next prime (68310061).

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

It is not a de Polignac number, because 68310055 - 2⁹ = 68309543 is a prime.

It is a super-2 number, since 2×68310055² = 9332527228206050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620946 + ... + 621055.

It is an arithmetic number, because the mean of its divisors is an integer number (11178018).

Almost surely, 2^68310055 is an apocalyptic number.

68310055 is a deficient number, since it is larger than the sum of its proper divisors (21114089).

68310055 is a wasteful number, since it uses less digits than its factorization.

68310055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242017.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 68310055 is about 8264.9897156621. The cubic root of 68310055 is about 408.7849312546.

The spelling of 68310055 in words is "sixty-eight million, three hundred ten thousand, fifty-five".