57244369 has 8 divisors (see below), whose sum is σ = 70454720. Its totient is φ = 45292176.

The previous prime is 57244367. The next prime is 57244381. The reversal of 57244369 is 96344275.

It is a happy number.

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 57244369 - 2¹ = 57244367 is a prime.

It is a super-2 number, since 2×57244369² = 6553835564416322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57244367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314439 + ... + 314620.

It is an arithmetic number, because the mean of its divisors is an integer number (8806840).

Almost surely, 2^57244369 is an apocalyptic number.

It is an amenable number.

57244369 is a deficient number, since it is larger than the sum of its proper divisors (13210351).

57244369 is a wasteful number, since it uses less digits than its factorization.

57244369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629079.

The product of its digits is 181440, while the sum is 40.

The square root of 57244369 is about 7566.0008591065. Note that the first 3 decimals coincide. The cubic root of 57244369 is about 385.3993023678.

The spelling of 57244369 in words is "fifty-seven million, two hundred forty-four thousand, three hundred sixty-nine".