57117282 has 8 divisors (see below), whose sum is σ = 114234576. Its totient is φ = 19039092.

The previous prime is 57117227. The next prime is 57117293. The reversal of 57117282 is 28271175.

57117282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

57117282 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4759768 + ... + 4759779.

It is an arithmetic number, because the mean of its divisors is an integer number (14279322).

Almost surely, 2^57117282 is an apocalyptic number.

57117282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57117282 is a wasteful number, since it uses less digits than its factorization.

57117282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519552.

The product of its digits is 7840, while the sum is 33.

The square root of 57117282 is about 7557.5976341692. The cubic root of 57117282 is about 385.1138854631.

The spelling of 57117282 in words is "fifty-seven million, one hundred seventeen thousand, two hundred eighty-two".