57011271 has 8 divisors (see below), whose sum is σ = 77261424. Its totient is φ = 37384320.

The previous prime is 57011257. The next prime is 57011281. The reversal of 57011271 is 17211075.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57011271 - 2¹¹ = 57009223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57011231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155586 + ... + 155951.

It is an arithmetic number, because the mean of its divisors is an integer number (9657678).

Almost surely, 2^57011271 is an apocalyptic number.

57011271 is a deficient number, since it is larger than the sum of its proper divisors (20250153).

57011271 is a wasteful number, since it uses less digits than its factorization.

57011271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311601.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 57011271 is about 7550.5808385845. The cubic root of 57011271 is about 384.8754778046.

The spelling of 57011271 in words is "fifty-seven million, eleven thousand, two hundred seventy-one".