51445424 has 10 divisors (see below), whose sum is σ = 99675540. Its totient is φ = 25722704.

The previous prime is 51445423. The next prime is 51445439. The reversal of 51445424 is 42454415.

51445424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51445421) 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, 1607654 + ... + 1607685.

It is an arithmetic number, because the mean of its divisors is an integer number (9967554).

Almost surely, 2^51445424 is an apocalyptic number.

It is an amenable number.

51445424 is a deficient number, since it is larger than the sum of its proper divisors (48230116).

51445424 is a wasteful number, since it uses less digits than its factorization.

51445424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215347 (or 3215341 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 51445424 is about 7172.5465491693. The cubic root of 51445424 is about 371.9194722983.

Adding to 51445424 its reverse (42454415), we get a palindrome (93899839).

The spelling of 51445424 in words is "fifty-one million, four hundred forty-five thousand, four hundred twenty-four".