57243011 has 8 divisors (see below), whose sum is σ = 67016544. Its totient is φ = 47868480.

The previous prime is 57243001. The next prime is 57243031. The reversal of 57243011 is 11034275.

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 57243011 - 2¹⁴ = 57226627 is a prime.

It is a super-2 number, since 2×57243011² = 6553524616692242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57243001) 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, 99440 + ... + 100013.

It is an arithmetic number, because the mean of its divisors is an integer number (8377068).

Almost surely, 2^57243011 is an apocalyptic number.

57243011 is a deficient number, since it is larger than the sum of its proper divisors (9773533).

57243011 is a wasteful number, since it uses less digits than its factorization.

57243011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199501.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 57243011 is about 7565.9111149947. The cubic root of 57243011 is about 385.3962547528.

Adding to 57243011 its reverse (11034275), we get a palindrome (68277286).

The spelling of 57243011 in words is "fifty-seven million, two hundred forty-three thousand, eleven".