51289484 has 6 divisors (see below), whose sum is σ = 89756604. Its totient is φ = 25644740.

The previous prime is 51289481. The next prime is 51289499. The reversal of 51289484 is 48498215.

51289484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51289484² = 5261222337972512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51289481) 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 as a sum of consecutive naturals, namely, 6411182 + ... + 6411189.

It is an arithmetic number, because the mean of its divisors is an integer number (14959434).

Almost surely, 2^51289484 is an apocalyptic number.

It is an amenable number.

51289484 is a deficient number, since it is larger than the sum of its proper divisors (38467120).

51289484 is a wasteful number, since it uses less digits than its factorization.

51289484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12822375 (or 12822373 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 51289484 is about 7161.6676828795. The cubic root of 51289484 is about 371.5433078334.

The spelling of 51289484 in words is "fifty-one million, two hundred eighty-nine thousand, four hundred eighty-four".