57659890 has 16 divisors (see below), whose sum is σ = 104817240. Its totient is φ = 22835200.

The previous prime is 57659887. The next prime is 57659893. The reversal of 57659890 is 9895675.

It is an interprime number because it is at equal distance from previous prime (57659887) and next prime (57659893).

It can be written as a sum of positive squares in 4 ways, for example, as 55160329 + 2499561 = 7427^2 + 1581^2 .

It is not an unprimeable number, because it can be changed into a prime (57659893) 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 7 ways as a sum of consecutive naturals, for example, 27535 + ... + 29554.

Almost surely, 2^57659890 is an apocalyptic number.

57659890 is a deficient number, since it is larger than the sum of its proper divisors (47157350).

57659890 is a wasteful number, since it uses less digits than its factorization.

57659890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57197.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 57659890 is about 7593.4109595096. The cubic root of 57659890 is about 386.3295573842.

The spelling of 57659890 in words is "fifty-seven million, six hundred fifty-nine thousand, eight hundred ninety".