57083661 has 12 divisors (see below), whose sum is σ = 84372288. Its totient is φ = 37170504.

The previous prime is 57083659. The next prime is 57083669. The reversal of 57083661 is 16638075.

57083661 is a `hidden beast` number, since 570 + 83 + 6 + 6 + 1 = 666.

57083661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57083661 - 2¹ = 57083659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57083669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73365 + ... + 74138.

It is an arithmetic number, because the mean of its divisors is an integer number (7031024).

Almost surely, 2^57083661 is an apocalyptic number.

It is an amenable number.

57083661 is a deficient number, since it is larger than the sum of its proper divisors (27288627).

57083661 is a wasteful number, since it uses less digits than its factorization.

57083661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147552 (or 147549 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 57083661 is about 7555.3729888074. The cubic root of 57083661 is about 385.0383073144.

The spelling of 57083661 in words is "fifty-seven million, eighty-three thousand, six hundred sixty-one".