57321327 has 12 divisors (see below), whose sum is σ = 88906776. Its totient is φ = 32754960.

The previous prime is 57321317. The next prime is 57321337. The reversal of 57321327 is 72312375.

It is an interprime number because it is at equal distance from previous prime (57321317) and next prime (57321337).

It is not a de Polignac number, because 57321327 - 2⁴ = 57321311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57321294 and 57321303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57321317) 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 11 ways as a sum of consecutive naturals, for example, 194824 + ... + 195117.

It is an arithmetic number, because the mean of its divisors is an integer number (7408898).

Almost surely, 2^57321327 is an apocalyptic number.

57321327 is a deficient number, since it is larger than the sum of its proper divisors (31585449).

57321327 is a wasteful number, since it uses less digits than its factorization.

57321327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389958 (or 389951 counting only the distinct ones).

The product of its digits is 8820, while the sum is 30.

The square root of 57321327 is about 7571.0849288593. The cubic root of 57321327 is about 385.5719323209.

The spelling of 57321327 in words is "fifty-seven million, three hundred twenty-one thousand, three hundred twenty-seven".