57331366 has 16 divisors (see below), whose sum is σ = 88306848. Its totient is φ = 27899200.

The previous prime is 57331333. The next prime is 57331367. The reversal of 57331366 is 66313375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57331367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60456 + ... + 61396.

It is an arithmetic number, because the mean of its divisors is an integer number (5519178).

Almost surely, 2^57331366 is an apocalyptic number.

57331366 is a deficient number, since it is larger than the sum of its proper divisors (30975482).

57331366 is a wasteful number, since it uses less digits than its factorization.

57331366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727.

The product of its digits is 34020, while the sum is 34.

The square root of 57331366 is about 7571.7478827547. The cubic root of 57331366 is about 385.5944401197.

Subtracting 57331366 from its reverse (66313375), we obtain a square (8982009 = 2997²).

The spelling of 57331366 in words is "fifty-seven million, three hundred thirty-one thousand, three hundred sixty-six".