52772271 has 4 divisors (see below), whose sum is σ = 70363032. Its totient is φ = 35181512.

The previous prime is 52772231. The next prime is 52772287. The reversal of 52772271 is 17227725.

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

It is a cyclic number.

It is not a de Polignac number, because 52772271 - 2²³ = 44383663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52772201) 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, 8795376 + ... + 8795381.

It is an arithmetic number, because the mean of its divisors is an integer number (17590758).

Almost surely, 2^52772271 is an apocalyptic number.

52772271 is a deficient number, since it is larger than the sum of its proper divisors (17590761).

52772271 is a wasteful number, since it uses less digits than its factorization.

52772271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17590760.

The product of its digits is 13720, while the sum is 33.

The square root of 52772271 is about 7264.4525602415. The cubic root of 52772271 is about 375.0898060468.

Adding to 52772271 its reverse (17227725), we get a palindrome (69999996).

The spelling of 52772271 in words is "fifty-two million, seven hundred seventy-two thousand, two hundred seventy-one".