68508554 has 8 divisors (see below), whose sum is σ = 102808548. Its totient is φ = 34239040.

The previous prime is 68508541. The next prime is 68508593. The reversal of 68508554 is 45580586.

It can be written as a sum of positive squares in 2 ways, for example, as 67980025 + 528529 = 8245^2 + 727^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767 + ... + 11730.

Almost surely, 2^68508554 is an apocalyptic number.

68508554 is a deficient number, since it is larger than the sum of its proper divisors (34299994).

68508554 is a wasteful number, since it uses less digits than its factorization.

68508554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15240.

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 68508554 is about 8276.9894285302. The cubic root of 68508554 is about 409.1805046919.

The spelling of 68508554 in words is "sixty-eight million, five hundred eight thousand, five hundred fifty-four".