57368449 has 4 divisors (see below), whose sum is σ = 57388464. Its totient is φ = 57348436.

The previous prime is 57368447. The next prime is 57368459. The reversal of 57368449 is 94486375.

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.

It is a cyclic number.

It is not a de Polignac number, because 57368449 - 2¹ = 57368447 is a prime.

It is a super-2 number, since 2×57368449² = 6582277881331202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57368399 and 57368408.

It is not an unprimeable number, because it can be changed into a prime (57368447) 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, 4807 + ... + 11740.

It is an arithmetic number, because the mean of its divisors is an integer number (14347116).

Almost surely, 2^57368449 is an apocalyptic number.

It is an amenable number.

57368449 is a deficient number, since it is larger than the sum of its proper divisors (20015).

57368449 is a wasteful number, since it uses less digits than its factorization.

57368449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20014.

The product of its digits is 725760, while the sum is 46.

The square root of 57368449 is about 7574.1962609903. The cubic root of 57368449 is about 385.6775587671.

The spelling of 57368449 in words is "fifty-seven million, three hundred sixty-eight thousand, four hundred forty-nine".