51336500 has 24 divisors (see below), whose sum is σ = 112120008. Its totient is φ = 20534400.

The previous prime is 51336473. The next prime is 51336517. The reversal of 51336500 is 563315.

51336500 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 4 ways, for example, as 128164 + 51208336 = 358^2 + 7156^2 .

It is a congruent number.

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, 50837 + ... + 51836.

It is an arithmetic number, because the mean of its divisors is an integer number (4671667).

Almost surely, 2^51336500 is an apocalyptic number.

51336500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51336500 is an abundant number, since it is smaller than the sum of its proper divisors (60783508).

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

51336500 is a wasteful number, since it uses less digits than its factorization.

51336500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102692 (or 102680 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 51336500 is about 7164.9494066602. The cubic root of 51336500 is about 371.6568018277.

Adding to 51336500 its reverse (563315), we get a palindrome (51899815).

The spelling of 51336500 in words is "fifty-one million, three hundred thirty-six thousand, five hundred".