57211201 has 4 divisors (see below), whose sum is σ = 57268692. Its totient is φ = 57153712.

The previous prime is 57211181. The next prime is 57211211. The reversal of 57211201 is 10211275.

57211201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 600625 + 56610576 = 775^2 + 7524^2 .

It is a cyclic number.

It is not a de Polignac number, because 57211201 - 2⁵ = 57211169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57211211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27226 + ... + 29251.

It is an arithmetic number, because the mean of its divisors is an integer number (14317173).

Almost surely, 2^57211201 is an apocalyptic number.

It is an amenable number.

57211201 is a deficient number, since it is larger than the sum of its proper divisors (57491).

57211201 is a wasteful number, since it uses less digits than its factorization.

57211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57490.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 57211201 is about 7563.8086305776. The cubic root of 57211201 is about 385.3248531603.

Adding to 57211201 its reverse (10211275), we get a palindrome (67422476).

It can be divided in two parts, 57211 and 201, that multiplied together give a palindrome (11499411).

The spelling of 57211201 in words is "fifty-seven million, two hundred eleven thousand, two hundred one".