51573944 has 16 divisors (see below), whose sum is σ = 96778800. Its totient is φ = 25766272.

The previous prime is 51573943. The next prime is 51573947. The reversal of 51573944 is 44937515.

51573944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51573898 and 51573907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51573943) 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 in 3 ways as a sum of consecutive naturals, for example, 15152 + ... + 18240.

It is an arithmetic number, because the mean of its divisors is an integer number (6048675).

Almost surely, 2^51573944 is an apocalyptic number.

It is an amenable number.

51573944 is a deficient number, since it is larger than the sum of its proper divisors (45204856).

51573944 is a wasteful number, since it uses less digits than its factorization.

51573944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182 (or 5178 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 51573944 is about 7181.5001218408. The cubic root of 51573944 is about 372.2289221866.

The spelling of 51573944 in words is "fifty-one million, five hundred seventy-three thousand, nine hundred forty-four".