57661583 has 6 divisors (see below), whose sum is σ = 67075776. Its totient is φ = 49424172.

The previous prime is 57661573. The next prime is 57661589. The reversal of 57661583 is 38516675.

It is not a de Polignac number, because 57661583 - 2²⁴ = 40884367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57661583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57661589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 588335 + ... + 588432.

It is an arithmetic number, because the mean of its divisors is an integer number (11179296).

Almost surely, 2^57661583 is an apocalyptic number.

57661583 is a deficient number, since it is larger than the sum of its proper divisors (9414193).

57661583 is a wasteful number, since it uses less digits than its factorization.

57661583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176781 (or 1176774 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 57661583 is about 7593.5224369195. The cubic root of 57661583 is about 386.3333384617. Note that the first 5 decimals are identical.

The spelling of 57661583 in words is "fifty-seven million, six hundred sixty-one thousand, five hundred eighty-three".