51323344 has 20 divisors (see below), whose sum is σ = 100841760. Its totient is φ = 25299680.

The previous prime is 51323309. The next prime is 51323347. The reversal of 51323344 is 44332315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51323347) 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 3 ways as a sum of consecutive naturals, for example, 21454 + ... + 23725.

It is an arithmetic number, because the mean of its divisors is an integer number (5042088).

Almost surely, 2^51323344 is an apocalyptic number.

It is an amenable number.

51323344 is a deficient number, since it is larger than the sum of its proper divisors (49518416).

51323344 is a wasteful number, since it uses less digits than its factorization.

51323344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45258 (or 45252 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 51323344 is about 7164.0312673801. The cubic root of 51323344 is about 371.6250509641.

Adding to 51323344 its reverse (44332315), we get a palindrome (95655659).

The spelling of 51323344 in words is "fifty-one million, three hundred twenty-three thousand, three hundred forty-four".