51524280 has 96 divisors (see below), whose sum is σ = 177325200. Its totient is φ = 12930048.

The previous prime is 51524279. The next prime is 51524293. The reversal of 51524280 is 8242515.

It is a happy number.

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, 1911 + ... + 10329.

Almost surely, 2^51524280 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 51524280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88662600).

51524280 is an abundant number, since it is smaller than the sum of its proper divisors (125800920).

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

51524280 is a wasteful number, since it uses less digits than its factorization.

51524280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453 (or 8446 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 51524280 is about 7178.0415156225. The cubic root of 51524280 is about 372.1094024391.

Adding to 51524280 its reverse (8242515), we get a palindrome (59766795).

The spelling of 51524280 in words is "fifty-one million, five hundred twenty-four thousand, two hundred eighty".