57144173 has 2 divisors, whose sum is σ = 57144174. Its totient is φ = 57144172.

The previous prime is 57144163. The next prime is 57144187. The reversal of 57144173 is 37144175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32512804 + 24631369 = 5702^2 + 4963^2 .

It is a cyclic number.

It is not a de Polignac number, because 57144173 - 2⁸ = 57143917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57144163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28572086 + 28572087.

It is an arithmetic number, because the mean of its divisors is an integer number (28572087).

Almost surely, 2^57144173 is an apocalyptic number.

It is an amenable number.

57144173 is a deficient number, since it is larger than the sum of its proper divisors (1).

57144173 is an equidigital number, since it uses as much as digits as its factorization.

57144173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 57144173 is about 7559.3764954525. The cubic root of 57144173 is about 385.1743135993.

It can be divided in two parts, 571 and 44173, that added together give a palindrome (44744).

The spelling of 57144173 in words is "fifty-seven million, one hundred forty-four thousand, one hundred seventy-three".