57049 has 4 divisors (see below), whose sum is σ = 57780. Its totient is φ = 56320.

The previous prime is 57047. The next prime is 57059. The reversal of 57049 is 94075.

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 32400 + 24649 = 180^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 57049 - 2¹ = 57047 is a prime.

It is a Duffinian number.

57049 is a lucky number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (57041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232 + ... + 409.

It is an arithmetic number, because the mean of its divisors is an integer number (14445).

2⁵⁷⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

57049 is a deficient number, since it is larger than the sum of its proper divisors (731).

57049 is an equidigital number, since it uses as much as digits as its factorization.

57049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 57049 is about 238.8493248891. The cubic root of 57049 is about 38.4960360230.

It can be divided in two parts, 5 and 7049, that multiplied together give a triangular number (35245 = T₂₆₅).

The spelling of 57049 in words is "fifty-seven thousand, forty-nine".