51850850 has 24 divisors (see below), whose sum is σ = 102117348. Its totient is φ = 19520000.

The previous prime is 51850837. The next prime is 51850873. The reversal of 51850850 is 5805815.

51850850 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 6 ways, for example, as 30349081 + 21501769 = 5509^2 + 4637^2 .

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 11 ways as a sum of consecutive naturals, for example, 29651 + ... + 31350.

Almost surely, 2^51850850 is an apocalyptic number.

51850850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51850850 is a deficient number, since it is larger than the sum of its proper divisors (50266498).

51850850 is a wasteful number, since it uses less digits than its factorization.

51850850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61030 (or 61025 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 51850850 is about 7200.7534328013. The cubic root of 51850850 is about 372.8939123818.

The spelling of 51850850 in words is "fifty-one million, eight hundred fifty thousand, eight hundred fifty".