51412200 has 96 divisors (see below), whose sum is σ = 182160960. Its totient is φ = 11750400.

The previous prime is 51412189. The next prime is 51412217. The reversal of 51412200 is 221415.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 51412200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921 + ... + 10320.

It is an arithmetic number, because the mean of its divisors is an integer number (1897510).

Almost surely, 2^51412200 is an apocalyptic number.

51412200 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 51412200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91080480).

51412200 is an abundant number, since it is smaller than the sum of its proper divisors (130748760).

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

51412200 is a wasteful number, since it uses less digits than its factorization.

51412200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267 (or 12258 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 51412200 is about 7170.2301218301. The cubic root of 51412200 is about 371.8393918781.

Adding to 51412200 its reverse (221415), we get a palindrome (51633615).

The spelling of 51412200 in words is "fifty-one million, four hundred twelve thousand, two hundred".