57540573 has 6 divisors (see below), whose sum is σ = 83114174. Its totient is φ = 38360376.

The previous prime is 57540559. The next prime is 57540583. The reversal of 57540573 is 37504575.

It can be written as a sum of positive squares in only one way, i.e., 48066489 + 9474084 = 6933^2 + 3078^2 .

It is not a de Polignac number, because 57540573 - 2⁵ = 57540541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57540523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3196690 + ... + 3196707.

Almost surely, 2^57540573 is an apocalyptic number.

It is an amenable number.

57540573 is a deficient number, since it is larger than the sum of its proper divisors (25573601).

57540573 is a wasteful number, since it uses less digits than its factorization.

57540573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393403 (or 6393400 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 57540573 is about 7585.5502766774. The cubic root of 57540573 is about 386.0628930066.

The spelling of 57540573 in words is "fifty-seven million, five hundred forty thousand, five hundred seventy-three".