51461344 has 24 divisors (see below), whose sum is σ = 110525688. Its totient is φ = 23391360.

The previous prime is 51461317. The next prime is 51461351. The reversal of 51461344 is 44316415.

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 3 ways as a sum of consecutive naturals, for example, 72747 + ... + 73450.

It is an arithmetic number, because the mean of its divisors is an integer number (4605237).

Almost surely, 2^51461344 is an apocalyptic number.

It is an amenable number.

51461344 is an abundant number, since it is smaller than the sum of its proper divisors (59064344).

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

51461344 is a wasteful number, since it uses less digits than its factorization.

51461344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146218 (or 146210 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 51461344 is about 7173.6562504765. The cubic root of 51461344 is about 371.9578323498.

Adding to 51461344 its reverse (44316415), we get a palindrome (95777759).

Subtracting from 51461344 its reverse (44316415), we obtain a square (7144929 = 2673²).

The spelling of 51461344 in words is "fifty-one million, four hundred sixty-one thousand, three hundred forty-four".