57616849 has 4 divisors (see below), whose sum is σ = 59022180. Its totient is φ = 56211520.

The previous prime is 57616843. The next prime is 57616891. The reversal of 57616849 is 94861675.

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 4981824 + 52635025 = 2232^2 + 7255^2 .

It is a cyclic number.

It is not a de Polignac number, because 57616849 - 2⁹ = 57616337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57616799 and 57616808.

It is not an unprimeable number, because it can be changed into a prime (57616843) 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, 702604 + ... + 702685.

It is an arithmetic number, because the mean of its divisors is an integer number (14755545).

Almost surely, 2^57616849 is an apocalyptic number.

It is an amenable number.

57616849 is a deficient number, since it is larger than the sum of its proper divisors (1405331).

57616849 is a wasteful number, since it uses less digits than its factorization.

57616849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405330.

The product of its digits is 362880, while the sum is 46.

The square root of 57616849 is about 7590.5763285801. The cubic root of 57616849 is about 386.2334064921.

The spelling of 57616849 in words is "fifty-seven million, six hundred sixteen thousand, eight hundred forty-nine".