51003045 has 24 divisors (see below), whose sum is σ = 89061336. Its totient is φ = 26999808.

The previous prime is 51003019. The next prime is 51003079. The reversal of 51003045 is 54030015.

51003045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11840481 + 39162564 = 3441^2 + 6258^2 .

It is not a de Polignac number, because 51003045 - 2²³ = 42614437 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 2029 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (3710889).

Almost surely, 2^51003045 is an apocalyptic number.

It is an amenable number.

51003045 is a deficient number, since it is larger than the sum of its proper divisors (38058291).

51003045 is a wasteful number, since it uses less digits than its factorization.

51003045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421 (or 8418 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 51003045 is about 7141.6416180035. The cubic root of 51003045 is about 370.8503572821.

The spelling of 51003045 in words is "fifty-one million, three thousand, forty-five".