51058609 has 16 divisors (see below), whose sum is σ = 59612032. Its totient is φ = 42830208.

The previous prime is 51058607. The next prime is 51058613. The reversal of 51058609 is 90685015.

51058609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51058609 - 2¹ = 51058607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51058603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82987 + ... + 83599.

It is an arithmetic number, because the mean of its divisors is an integer number (3725752).

Almost surely, 2^51058609 is an apocalyptic number.

It is an amenable number.

51058609 is a deficient number, since it is larger than the sum of its proper divisors (8553423).

51058609 is a wasteful number, since it uses less digits than its factorization.

51058609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 51058609 is about 7145.5307010746. The cubic root of 51058609 is about 370.9849796424.

The spelling of 51058609 in words is "fifty-one million, fifty-eight thousand, six hundred nine".