57448417 has 4 divisors (see below), whose sum is σ = 61867540. Its totient is φ = 53029296.

The previous prime is 57448379. The next prime is 57448453. The reversal of 57448417 is 71484475.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24167056 + 33281361 = 4916^2 + 5769^2 .

It is a cyclic number.

It is not a de Polignac number, because 57448417 - 2⁷ = 57448289 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 57448417.

It is not an unprimeable number, because it can be changed into a prime (57443417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209542 + ... + 2209567.

It is an arithmetic number, because the mean of its divisors is an integer number (15466885).

Almost surely, 2^57448417 is an apocalyptic number.

It is an amenable number.

57448417 is a deficient number, since it is larger than the sum of its proper divisors (4419123).

57448417 is a wasteful number, since it uses less digits than its factorization.

57448417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419122.

The product of its digits is 125440, while the sum is 40.

The square root of 57448417 is about 7579.4733985944. The cubic root of 57448417 is about 385.8566789635.

It can be divided in two parts, 5744 and 8417, that added together give a square (14161 = 119²).

The spelling of 57448417 in words is "fifty-seven million, four hundred forty-eight thousand, four hundred seventeen".