57081827 has 8 divisors (see below), whose sum is σ = 62346240. Its totient is φ = 51829960.

The previous prime is 57081811. The next prime is 57081863. The reversal of 57081827 is 72818075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57081827 - 2⁴ = 57081811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57081127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8174 + ... + 13452.

It is an arithmetic number, because the mean of its divisors is an integer number (7793280).

Almost surely, 2^57081827 is an apocalyptic number.

57081827 is a deficient number, since it is larger than the sum of its proper divisors (5264413).

57081827 is a wasteful number, since it uses less digits than its factorization.

57081827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 57081827 is about 7555.2516172527. The cubic root of 57081827 is about 385.0341837304.

The spelling of 57081827 in words is "fifty-seven million, eighty-one thousand, eight hundred twenty-seven".