51344444 has 6 divisors (see below), whose sum is σ = 89852784. Its totient is φ = 25672220.

The previous prime is 51344417. The next prime is 51344459. The reversal of 51344444 is 44444315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6418052 + ... + 6418059.

It is an arithmetic number, because the mean of its divisors is an integer number (14975464).

Almost surely, 2^51344444 is an apocalyptic number.

It is an amenable number.

51344444 is a deficient number, since it is larger than the sum of its proper divisors (38508340).

51344444 is a wasteful number, since it uses less digits than its factorization.

51344444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12836115 (or 12836113 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 51344444 is about 7165.5037506096. The cubic root of 51344444 is about 371.6759713553.

Adding to 51344444 its reverse (44444315), we get a palindrome (95788759).

The spelling of 51344444 in words is "fifty-one million, three hundred forty-four thousand, four hundred forty-four".