57271201 has 16 divisors (see below), whose sum is σ = 64708560. Its totient is φ = 50319360.

The previous prime is 57271199. The next prime is 57271211. The reversal of 57271201 is 10217275.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2496400 + 54774801 = 1580^2 + 7401^2 .

It is not a de Polignac number, because 57271201 - 2¹ = 57271199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57271211) 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, 26481 + ... + 28561.

It is an arithmetic number, because the mean of its divisors is an integer number (4044285).

Almost surely, 2^57271201 is an apocalyptic number.

It is an amenable number.

57271201 is a deficient number, since it is larger than the sum of its proper divisors (7437359).

57271201 is a wasteful number, since it uses less digits than its factorization.

57271201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 57271201 is about 7567.7738470438. The cubic root of 57271201 is about 385.4595086901.

Adding to 57271201 its reverse (10217275), we get a palindrome (67488476).

The spelling of 57271201 in words is "fifty-seven million, two hundred seventy-one thousand, two hundred one".