51350686 has 16 divisors (see below), whose sum is σ = 79714800. Its totient is φ = 24792768.

The previous prime is 51350683. The next prime is 51350699. The reversal of 51350686 is 68605315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51350681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4300 + ... + 11008.

It is an arithmetic number, because the mean of its divisors is an integer number (4982175).

Almost surely, 2^51350686 is an apocalyptic number.

51350686 is a deficient number, since it is larger than the sum of its proper divisors (28364114).

51350686 is a wasteful number, since it uses less digits than its factorization.

51350686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 51350686 is about 7165.9392964216. The cubic root of 51350686 is about 371.6910324292.

The spelling of 51350686 in words is "fifty-one million, three hundred fifty thousand, six hundred eighty-six".