57449245 has 8 divisors (see below), whose sum is σ = 78787584. Its totient is φ = 39393744.

The previous prime is 57449243. The next prime is 57449257. The reversal of 57449245 is 54294475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57449245 - 2¹ = 57449243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57449198 and 57449207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57449243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820669 + ... + 820738.

It is an arithmetic number, because the mean of its divisors is an integer number (9848448).

Almost surely, 2^57449245 is an apocalyptic number.

It is an amenable number.

57449245 is a deficient number, since it is larger than the sum of its proper divisors (21338339).

57449245 is a wasteful number, since it uses less digits than its factorization.

57449245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641419.

The product of its digits is 201600, while the sum is 40.

The square root of 57449245 is about 7579.5280196065. The cubic root of 57449245 is about 385.8585327297.

The spelling of 57449245 in words is "fifty-seven million, four hundred forty-nine thousand, two hundred forty-five".