51336000 has 336 divisors, whose sum is σ = 197803008. Its totient is φ = 12672000.

The previous prime is 51335987. The next prime is 51336011. The reversal of 51336000 is 63315.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1655985 + ... + 1656015.

Almost surely, 2^51336000 is an apocalyptic number.

51336000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51336000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98901504).

51336000 is an abundant number, since it is smaller than the sum of its proper divisors (146467008).

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

51336000 is a wasteful number, since it uses less digits than its factorization.

51336000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 51336000 is about 7164.9145144935. The cubic root of 51336000 is about 371.6555952203.

Adding to 51336000 its reverse (63315), we get a palindrome (51399315).

The spelling of 51336000 in words is "fifty-one million, three hundred thirty-six thousand".