52206771 has 4 divisors (see below), whose sum is σ = 69609032. Its totient is φ = 34804512.

The previous prime is 52206767. The next prime is 52206811. The reversal of 52206771 is 17760225.

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

It is not a de Polignac number, because 52206771 - 2² = 52206767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52206701) 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, 8701126 + ... + 8701131.

It is an arithmetic number, because the mean of its divisors is an integer number (17402258).

Almost surely, 2^52206771 is an apocalyptic number.

52206771 is a deficient number, since it is larger than the sum of its proper divisors (17402261).

52206771 is a wasteful number, since it uses less digits than its factorization.

52206771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402260.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 52206771 is about 7225.4253162011. The cubic root of 52206771 is about 373.7451889926.

Adding to 52206771 its reverse (17760225), we get a palindrome (69966996).

The spelling of 52206771 in words is "fifty-two million, two hundred six thousand, seven hundred seventy-one".