51573232 has 20 divisors (see below), whose sum is σ = 100035760. Its totient is φ = 25757568.

The previous prime is 51573229. The next prime is 51573289. The reversal of 51573232 is 23237515.

51573232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51573232.

It is a congruent number.

It is an unprimeable number.

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, 23644 + ... + 25732.

It is an arithmetic number, because the mean of its divisors is an integer number (5001788).

Almost surely, 2^51573232 is an apocalyptic number.

It is an amenable number.

51573232 is a deficient number, since it is larger than the sum of its proper divisors (48462528).

51573232 is a wasteful number, since it uses less digits than its factorization.

51573232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640 (or 3634 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 51573232 is about 7181.4505498541. The cubic root of 51573232 is about 372.2272092531.

The spelling of 51573232 in words is "fifty-one million, five hundred seventy-three thousand, two hundred thirty-two".