51316850 has 36 divisors (see below), whose sum is σ = 103373406. Its totient is φ = 18944640.

The previous prime is 51316849. The next prime is 51316877. The reversal of 51316850 is 5861315.

It can be written as a sum of positive squares in 9 ways, for example, as 494209 + 50822641 = 703^2 + 7129^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5414 + ... + 11486.

Almost surely, 2^51316850 is an apocalyptic number.

51316850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51316850 is an abundant number, since it is smaller than the sum of its proper divisors (52056556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51316850 is a wasteful number, since it uses less digits than its factorization.

51316850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111 (or 6093 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 51316850 is about 7163.5780166059. The cubic root of 51316850 is about 371.6093762589.

The spelling of 51316850 in words is "fifty-one million, three hundred sixteen thousand, eight hundred fifty".