51444152 has 8 divisors (see below), whose sum is σ = 96457800. Its totient is φ = 25722072.

The previous prime is 51444143. The next prime is 51444157. The reversal of 51444152 is 25144415.

51444152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51444157) 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, 3215252 + ... + 3215267.

It is an arithmetic number, because the mean of its divisors is an integer number (12057225).

Almost surely, 2^51444152 is an apocalyptic number.

It is an amenable number.

51444152 is a deficient number, since it is larger than the sum of its proper divisors (45013648).

51444152 is a wasteful number, since it uses less digits than its factorization.

51444152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430525 (or 6430521 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 51444152 is about 7172.4578771855. The cubic root of 51444152 is about 371.9164070081.

Adding to 51444152 its reverse (25144415), we get a palindrome (76588567).

The spelling of 51444152 in words is "fifty-one million, four hundred forty-four thousand, one hundred fifty-two".