51484224 has 112 divisors (see below), whose sum is σ = 156545280. Its totient is φ = 14768640.

The previous prime is 51484219. The next prime is 51484229. The reversal of 51484224 is 42248415.

It is an interprime number because it is at equal distance from previous prime (51484219) and next prime (51484229).

It is a junction number, because it is equal to n+sod(n) for n = 51484191 and 51484200.

It is not an unprimeable number, because it can be changed into a prime (51484229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39487 + ... + 40769.

Almost surely, 2^51484224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51484224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78272640).

51484224 is an abundant number, since it is smaller than the sum of its proper divisors (105061056).

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

51484224 is a wasteful number, since it uses less digits than its factorization.

51484224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1318 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 51484224 is about 7175.2507970105. The cubic root of 51484224 is about 372.0129490232.

The spelling of 51484224 in words is "fifty-one million, four hundred eighty-four thousand, two hundred twenty-four".