51472173 has 8 divisors (see below), whose sum is σ = 68779648. Its totient is φ = 34239744.

The previous prime is 51472163. The next prime is 51472181. The reversal of 51472173 is 37127415.

51472173 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 not a de Polignac number, because 51472173 - 2⁹ = 51471661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51472173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51472103) 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 7 ways as a sum of consecutive naturals, for example, 17140 + ... + 19917.

It is an arithmetic number, because the mean of its divisors is an integer number (8597456).

Almost surely, 2^51472173 is an apocalyptic number.

It is an amenable number.

51472173 is a deficient number, since it is larger than the sum of its proper divisors (17307475).

51472173 is a wasteful number, since it uses less digits than its factorization.

51472173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37523.

The product of its digits is 5880, while the sum is 30.

The square root of 51472173 is about 7174.4109862762. The cubic root of 51472173 is about 371.9839208566.

Adding to 51472173 its reverse (37127415), we get a palindrome (88599588).

The spelling of 51472173 in words is "fifty-one million, four hundred seventy-two thousand, one hundred seventy-three".