51065484 has 48 divisors (see below), whose sum is σ = 126913248. Its totient is φ = 15925248.

The previous prime is 51065449. The next prime is 51065489. The reversal of 51065484 is 48456015.

It is not an unprimeable number, because it can be changed into a prime (51065489) 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 15 ways as a sum of consecutive naturals, for example, 38724 + ... + 40020.

It is an arithmetic number, because the mean of its divisors is an integer number (2644026).

Almost surely, 2^51065484 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 51065484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63456624).

51065484 is an abundant number, since it is smaller than the sum of its proper divisors (75847764).

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

51065484 is a wasteful number, since it uses less digits than its factorization.

51065484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 51065484 is about 7146.0117548182. The cubic root of 51065484 is about 371.0016298367.

The spelling of 51065484 in words is "fifty-one million, sixty-five thousand, four hundred eighty-four".