51274200 has 96 divisors (see below), whose sum is σ = 160770960. Its totient is φ = 13516800.

The previous prime is 51274187. The next prime is 51274207. The reversal of 51274200 is 247215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51274207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57760 + ... + 58640.

Almost surely, 2^51274200 is an apocalyptic number.

51274200 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 51274200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80385480).

51274200 is an abundant number, since it is smaller than the sum of its proper divisors (109496760).

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

51274200 is a wasteful number, since it uses less digits than its factorization.

51274200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 51274200 is about 7160.6005334748. The cubic root of 51274200 is about 371.5063981745.

The spelling of 51274200 in words is "fifty-one million, two hundred seventy-four thousand, two hundred".