57000017 has 4 divisors (see below), whose sum is σ = 58540596. Its totient is φ = 55459440.

The previous prime is 57000011. The next prime is 57000037. The reversal of 57000017 is 71000075.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33535681 + 23464336 = 5791^2 + 4844^2 .

It is a cyclic number.

It is not a de Polignac number, because 57000017 - 2¹² = 56995921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770234 + ... + 770307.

It is an arithmetic number, because the mean of its divisors is an integer number (14635149).

Almost surely, 2^57000017 is an apocalyptic number.

It is an amenable number.

57000017 is a deficient number, since it is larger than the sum of its proper divisors (1540579).

57000017 is a wasteful number, since it uses less digits than its factorization.

57000017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540578.

The product of its (nonzero) digits is 245, while the sum is 20.

The square root of 57000017 is about 7549.8355611232. The cubic root of 57000017 is about 384.8501513876.

The spelling of 57000017 in words is "fifty-seven million, seventeen", and thus it is an aban number and an uban number.