57201085 has 4 divisors (see below), whose sum is σ = 68641308. Its totient is φ = 45760864.

The previous prime is 57201083. The next prime is 57201091. The reversal of 57201085 is 58010275.

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 20259001 + 36942084 = 4501^2 + 6078^2 .

It is a cyclic number.

It is not a de Polignac number, because 57201085 - 2¹ = 57201083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57201083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5720104 + ... + 5720113.

It is an arithmetic number, because the mean of its divisors is an integer number (17160327).

Almost surely, 2^57201085 is an apocalyptic number.

It is an amenable number.

57201085 is a deficient number, since it is larger than the sum of its proper divisors (11440223).

57201085 is a wasteful number, since it uses less digits than its factorization.

57201085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440222.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 57201085 is about 7563.1398902837. The cubic root of 57201085 is about 385.3021409646.

The spelling of 57201085 in words is "fifty-seven million, two hundred one thousand, eighty-five".