57008289 has 16 divisors (see below), whose sum is σ = 82357632. Its totient is φ = 34867968.

The previous prime is 57008279. The next prime is 57008291. The reversal of 57008289 is 98280075.

It is not a de Polignac number, because 57008289 - 2⁵ = 57008257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (57008279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (5147352).

Almost surely, 2^57008289 is an apocalyptic number.

It is an amenable number.

57008289 is a deficient number, since it is larger than the sum of its proper divisors (25349343).

57008289 is a wasteful number, since it uses less digits than its factorization.

57008289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8936.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 57008289 is about 7550.3833677503. The cubic root of 57008289 is about 384.8687673263.

The spelling of 57008289 in words is "fifty-seven million, eight thousand, two hundred eighty-nine".