51755173 has 4 divisors (see below), whose sum is σ = 51890688. Its totient is φ = 51619660.

The previous prime is 51755159. The next prime is 51755177. The reversal of 51755173 is 37155715.

51755173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37155715 = 5 ⋅7431143.

It is a cyclic number.

It is not a de Polignac number, because 51755173 - 2¹⁷ = 51624101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51755177) 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, 67183 + ... + 67948.

It is an arithmetic number, because the mean of its divisors is an integer number (12972672).

Almost surely, 2^51755173 is an apocalyptic number.

It is an amenable number.

51755173 is a deficient number, since it is larger than the sum of its proper divisors (135515).

51755173 is a wasteful number, since it uses less digits than its factorization.

51755173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135514.

The product of its digits is 18375, while the sum is 34.

The square root of 51755173 is about 7194.1068243389. The cubic root of 51755173 is about 372.6644122048.

The spelling of 51755173 in words is "fifty-one million, seven hundred fifty-five thousand, one hundred seventy-three".