57544001 has 4 divisors (see below), whose sum is σ = 57596100. Its totient is φ = 57491904.

The previous prime is 57543979. The next prime is 57544021. The reversal of 57544001 is 10044575.

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 6635776 + 50908225 = 2576^2 + 7135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57544001 is a prime.

It is a super-2 number, since 2×57544001² = 6622624102176002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57544021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24356 + ... + 26613.

It is an arithmetic number, because the mean of its divisors is an integer number (14399025).

Almost surely, 2^57544001 is an apocalyptic number.

It is an amenable number.

57544001 is a deficient number, since it is larger than the sum of its proper divisors (52099).

57544001 is a wasteful number, since it uses less digits than its factorization.

57544001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52098.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 57544001 is about 7585.7762292332. The cubic root of 57544001 is about 386.0705594655.

Adding to 57544001 its reverse (10044575), we get a palindrome (67588576).

The spelling of 57544001 in words is "fifty-seven million, five hundred forty-four thousand, one".