51148585 has 16 divisors (see below), whose sum is σ = 62487936. Its totient is φ = 40186368.

The previous prime is 51148583. The next prime is 51148621. The reversal of 51148585 is 58584115.

51148585 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 51148585 - 2¹ = 51148583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51148583) 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, 78732 + ... + 79378.

It is an arithmetic number, because the mean of its divisors is an integer number (3905496).

Almost surely, 2^51148585 is an apocalyptic number.

It is an amenable number.

51148585 is a deficient number, since it is larger than the sum of its proper divisors (11339351).

51148585 is a wasteful number, since it uses less digits than its factorization.

51148585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its digits is 32000, while the sum is 37.

The square root of 51148585 is about 7151.8238932457. The cubic root of 51148585 is about 371.2027695965.

The spelling of 51148585 in words is "fifty-one million, one hundred forty-eight thousand, five hundred eighty-five".