57085355 has 4 divisors (see below), whose sum is σ = 68502432. Its totient is φ = 45668280.

The previous prime is 57085351. The next prime is 57085363. The reversal of 57085355 is 55358075.

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

It is not a de Polignac number, because 57085355 - 2² = 57085351 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57085351) 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, 5708531 + ... + 5708540.

It is an arithmetic number, because the mean of its divisors is an integer number (17125608).

Almost surely, 2^57085355 is an apocalyptic number.

57085355 is a deficient number, since it is larger than the sum of its proper divisors (11417077).

57085355 is a wasteful number, since it uses less digits than its factorization.

57085355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11417076.

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 57085355 is about 7555.4850936257. The cubic root of 57085355 is about 385.0421160426.

The spelling of 57085355 in words is "fifty-seven million, eighty-five thousand, three hundred fifty-five".