51024380 has 48 divisors (see below), whose sum is σ = 118903680. Its totient is φ = 18235200.

The previous prime is 51024371. The next prime is 51024383. The reversal of 51024380 is 8342015.

51024380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51024383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11015 + ... + 14945.

It is an arithmetic number, because the mean of its divisors is an integer number (2477160).

Almost surely, 2^51024380 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 51024380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59451840).

51024380 is an abundant number, since it is smaller than the sum of its proper divisors (67879300).

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

51024380 is a wasteful number, since it uses less digits than its factorization.

51024380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 51024380 is about 7143.1351660178. The cubic root of 51024380 is about 370.9020600082.

Adding to 51024380 its reverse (8342015), we get a palindrome (59366395).

The spelling of 51024380 in words is "fifty-one million, twenty-four thousand, three hundred eighty".