51610045 has 16 divisors (see below), whose sum is σ = 68428800. Its totient is φ = 37168384.

The previous prime is 51610043. The next prime is 51610057. The reversal of 51610045 is 54001615.

51610045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51610045 - 2¹ = 51610043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51609998 and 51610025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51610043) 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 15 ways as a sum of consecutive naturals, for example, 11245 + ... + 15154.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^51610045 is an apocalyptic number.

It is an amenable number.

51610045 is a deficient number, since it is larger than the sum of its proper divisors (16818755).

51610045 is a wasteful number, since it uses less digits than its factorization.

51610045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26444.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 51610045 is about 7184.0131542196. The cubic root of 51610045 is about 372.3157535144.

The spelling of 51610045 in words is "fifty-one million, six hundred ten thousand, forty-five".