68554513 has 8 divisors (see below), whose sum is σ = 73199808. Its totient is φ = 64047984.

The previous prime is 68554511. The next prime is 68554517. The reversal of 68554513 is 31545586.

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

It is not a de Polignac number, because 68554513 - 2¹ = 68554511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68554511) 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, 33670 + ... + 35647.

It is an arithmetic number, because the mean of its divisors is an integer number (9149976).

Almost surely, 2^68554513 is an apocalyptic number.

It is an amenable number.

68554513 is a deficient number, since it is larger than the sum of its proper divisors (4645295).

68554513 is a wasteful number, since it uses less digits than its factorization.

68554513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69383.

The product of its digits is 72000, while the sum is 37.

The square root of 68554513 is about 8279.7652744507. The cubic root of 68554513 is about 409.2719838919.

The spelling of 68554513 in words is "sixty-eight million, five hundred fifty-four thousand, five hundred thirteen".