51300986 has 16 divisors (see below), whose sum is σ = 84099168. Its totient is φ = 23276400.

The previous prime is 51300961. The next prime is 51300989. The reversal of 51300986 is 68900315.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51300989) 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, 12581 + ... + 16151.

It is an arithmetic number, because the mean of its divisors is an integer number (5256198).

Almost surely, 2^51300986 is an apocalyptic number.

51300986 is a deficient number, since it is larger than the sum of its proper divisors (32798182).

51300986 is a wasteful number, since it uses less digits than its factorization.

51300986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 51300986 is about 7162.4706631162. The cubic root of 51300986 is about 371.5710794244.

The spelling of 51300986 in words is "fifty-one million, three hundred thousand, nine hundred eighty-six".