68550545 has 16 divisors (see below), whose sum is σ = 99543168. Its totient is φ = 44240640.

The previous prime is 68550541. The next prime is 68550569. The reversal of 68550545 is 54505586.

It is not a de Polignac number, because 68550545 - 2² = 68550541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68550499 and 68550508.

It is not an unprimeable number, because it can be changed into a prime (68550541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57011 + ... + 58200.

It is an arithmetic number, because the mean of its divisors is an integer number (6221448).

Almost surely, 2^68550545 is an apocalyptic number.

It is an amenable number.

68550545 is a deficient number, since it is larger than the sum of its proper divisors (30992623).

68550545 is a wasteful number, since it uses less digits than its factorization.

68550545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115240.

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 68550545 is about 8279.5256506638. The cubic root of 68550545 is about 409.2640873898.

The spelling of 68550545 in words is "sixty-eight million, five hundred fifty thousand, five hundred forty-five".