5168551 has 4 divisors (see below), whose sum is σ = 5440600. Its totient is φ = 4896504.

The previous prime is 5168539. The next prime is 5168573. The reversal of 5168551 is 1558615.

5168551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5168551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5168851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135996 + ... + 136033.

It is an arithmetic number, because the mean of its divisors is an integer number (1360150).

Almost surely, 2^5168551 is an apocalyptic number.

5168551 is a deficient number, since it is larger than the sum of its proper divisors (272049).

5168551 is a wasteful number, since it uses less digits than its factorization.

5168551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272048.

The product of its digits is 6000, while the sum is 31.

The square root of 5168551 is about 2273.4447431156. Note that the first 3 decimals coincide. The cubic root of 5168551 is about 172.8978536524.

The spelling of 5168551 in words is "five million, one hundred sixty-eight thousand, five hundred fifty-one".