51443085 has 16 divisors (see below), whose sum is σ = 82414080. Its totient is φ = 27401280.

The previous prime is 51443083. The next prime is 51443101. The reversal of 51443085 is 58034415.

51443085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51443085 - 2¹ = 51443083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51443083) 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, 13636 + ... + 16994.

It is an arithmetic number, because the mean of its divisors is an integer number (5150880).

Almost surely, 2^51443085 is an apocalyptic number.

It is an amenable number.

51443085 is a deficient number, since it is larger than the sum of its proper divisors (30970995).

51443085 is a wasteful number, since it uses less digits than its factorization.

51443085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 51443085 is about 7172.3834950454. The cubic root of 51443085 is about 371.9138356918.

The spelling of 51443085 in words is "fifty-one million, four hundred forty-three thousand, eighty-five".