51498288 has 160 divisors (see below), whose sum is σ = 158561280. Its totient is φ = 15966720.

The previous prime is 51498269. The next prime is 51498289. The reversal of 51498288 is 88289415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51498289) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 705420 + ... + 705492.

It is an arithmetic number, because the mean of its divisors is an integer number (991008).

Almost surely, 2^51498288 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 51498288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79280640).

51498288 is an abundant number, since it is smaller than the sum of its proper divisors (107062992).

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

51498288 is a wasteful number, since it uses less digits than its factorization.

51498288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 172 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 51498288 is about 7176.2307655203. The cubic root of 51498288 is about 372.0468203296.

The spelling of 51498288 in words is "fifty-one million, four hundred ninety-eight thousand, two hundred eighty-eight".