51030200 has 96 divisors (see below), whose sum is σ = 134626800. Its totient is φ = 17832960.

The previous prime is 51030193. The next prime is 51030211. The reversal of 51030200 is 203015.

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 23 ways as a sum of consecutive naturals, for example, 48884 + ... + 49916.

Almost surely, 2^51030200 is an apocalyptic number.

51030200 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 51030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67313400).

51030200 is an abundant number, since it is smaller than the sum of its proper divisors (83596600).

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

51030200 is a wasteful number, since it uses less digits than its factorization.

51030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 51030200 is about 7143.5425385449. The cubic root of 51030200 is about 370.9161615542.

Adding to 51030200 its reverse (203015), we get a palindrome (51233215).

The spelling of 51030200 in words is "fifty-one million, thirty thousand, two hundred".