51589105 has 4 divisors (see below), whose sum is σ = 61906932. Its totient is φ = 41271280.

The previous prime is 51589099. The next prime is 51589141. The reversal of 51589105 is 50198515.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38390416 + 13198689 = 6196^2 + 3633^2 .

It is not a de Polignac number, because 51589105 - 2⁵ = 51589073 is a prime.

It is a super-2 number, since 2×51589105² = 5322871509402050, which contains 22 as substring.

It is a Duffinian number.

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, 5158906 + ... + 5158915.

It is an arithmetic number, because the mean of its divisors is an integer number (15476733).

Almost surely, 2^51589105 is an apocalyptic number.

It is an amenable number.

51589105 is a deficient number, since it is larger than the sum of its proper divisors (10317827).

51589105 is a wasteful number, since it uses less digits than its factorization.

51589105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317826.

The product of its (nonzero) digits is 9000, while the sum is 34.

The square root of 51589105 is about 7182.5556036831. Note that the first 3 decimals coincide. The cubic root of 51589105 is about 372.2653928625.

The spelling of 51589105 in words is "fifty-one million, five hundred eighty-nine thousand, one hundred five".