57505282 has 4 divisors (see below), whose sum is σ = 86257926. Its totient is φ = 28752640.

The previous prime is 57505277. The next prime is 57505297. The reversal of 57505282 is 28250575.

57505282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35892081 + 21613201 = 5991^2 + 4649^2 .

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 as a sum of consecutive naturals, namely, 14376319 + ... + 14376322.

Almost surely, 2^57505282 is an apocalyptic number.

57505282 is a deficient number, since it is larger than the sum of its proper divisors (28752644).

57505282 is a wasteful number, since it uses less digits than its factorization.

57505282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28752643.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 57505282 is about 7583.2237208195. The cubic root of 57505282 is about 385.9839496848.

The spelling of 57505282 in words is "fifty-seven million, five hundred five thousand, two hundred eighty-two".