57299849 has 4 divisors (see below), whose sum is σ = 57631236. Its totient is φ = 56968464.

The previous prime is 57299833. The next prime is 57299897. The reversal of 57299849 is 94899275.

57299849 = 222² + 223² + ... + 567².

57299849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 30880249 + 26419600 = 5557^2 + 5140^2 .

It is a cyclic number.

It is not a de Polignac number, because 57299849 - 2⁴ = 57299833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57299849.

It is not an unprimeable number, because it can be changed into a prime (57299899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165434 + ... + 165779.

It is an arithmetic number, because the mean of its divisors is an integer number (14407809).

Almost surely, 2^57299849 is an apocalyptic number.

It is an amenable number.

57299849 is a deficient number, since it is larger than the sum of its proper divisors (331387).

57299849 is a wasteful number, since it uses less digits than its factorization.

57299849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331386.

The product of its digits is 1632960, while the sum is 53.

The square root of 57299849 is about 7569.6663730973. Note that the first 3 decimals coincide. The cubic root of 57299849 is about 385.5237690460.

The spelling of 57299849 in words is "fifty-seven million, two hundred ninety-nine thousand, eight hundred forty-nine".