51783085 has 8 divisors (see below), whose sum is σ = 62407800. Its totient is φ = 41247744.

The previous prime is 51783079. The next prime is 51783101. The reversal of 51783085 is 58038715.

51783085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6584356 + 45198729 = 2566^2 + 6723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51783085 - 2³ = 51783077 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21060 + ... + 23389.

It is an arithmetic number, because the mean of its divisors is an integer number (7800975).

Almost surely, 2^51783085 is an apocalyptic number.

It is an amenable number.

51783085 is a deficient number, since it is larger than the sum of its proper divisors (10624715).

51783085 is a wasteful number, since it uses less digits than its factorization.

51783085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44687.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 51783085 is about 7196.0464840077. The cubic root of 51783085 is about 372.7313938488.

The spelling of 51783085 in words is "fifty-one million, seven hundred eighty-three thousand, eighty-five".