57644049 has 8 divisors (see below), whose sum is σ = 80200512. Its totient is φ = 36758480.

The previous prime is 57644047. The next prime is 57644057. The reversal of 57644049 is 94044675.

It is a happy number.

57644049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57644049 - 2¹ = 57644047 is a prime.

It is a super-2 number, since 2×57644049² = 6645672770228802, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57643998 and 57644016.

It is not an unprimeable number, because it can be changed into a prime (57644047) 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 7 ways as a sum of consecutive naturals, for example, 417642 + ... + 417779.

It is an arithmetic number, because the mean of its divisors is an integer number (10025064).

Almost surely, 2^57644049 is an apocalyptic number.

It is an amenable number.

57644049 is a deficient number, since it is larger than the sum of its proper divisors (22556463).

57644049 is a wasteful number, since it uses less digits than its factorization.

57644049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835447.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 57644049 is about 7592.3678124812. The cubic root of 57644049 is about 386.2941751509.

The spelling of 57644049 in words is "fifty-seven million, six hundred forty-four thousand, forty-nine".