51603046 has 8 divisors (see below), whose sum is σ = 84441384. Its totient is φ = 23455920.

The previous prime is 51603017. The next prime is 51603047. The reversal of 51603046 is 64030615.

51603046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51603046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51603047) 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, 1172775 + ... + 1172818.

It is an arithmetic number, because the mean of its divisors is an integer number (10555173).

Almost surely, 2^51603046 is an apocalyptic number.

51603046 is a deficient number, since it is larger than the sum of its proper divisors (32838338).

51603046 is a wasteful number, since it uses less digits than its factorization.

51603046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345606.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 51603046 is about 7183.5260144305. The cubic root of 51603046 is about 372.2989224513.

The spelling of 51603046 in words is "fifty-one million, six hundred three thousand, forty-six".