51807482 has 16 divisors (see below), whose sum is σ = 79617120. Its totient is φ = 25275888.

The previous prime is 51807473. The next prime is 51807499. The reversal of 51807482 is 28470815.

51807482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12833 + ... + 16379.

It is an arithmetic number, because the mean of its divisors is an integer number (4976070).

Almost surely, 2^51807482 is an apocalyptic number.

51807482 is a deficient number, since it is larger than the sum of its proper divisors (27809638).

51807482 is a wasteful number, since it uses less digits than its factorization.

51807482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 51807482 is about 7197.7414513165. The cubic root of 51807482 is about 372.7899206829.

The spelling of 51807482 in words is "fifty-one million, eight hundred seven thousand, four hundred eighty-two".