52205771 has 4 divisors (see below), whose sum is σ = 54006000. Its totient is φ = 50405544.

The previous prime is 52205761. The next prime is 52205773. The reversal of 52205771 is 17750225.

52205771 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 is a cyclic number.

It is not a de Polignac number, because 52205771 - 2⁶ = 52205707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1800199 = 52205771 / (5 + 2 + 2 + 0 + 5 + 7 + 7 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52205773) 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, 900071 + ... + 900128.

It is an arithmetic number, because the mean of its divisors is an integer number (13501500).

Almost surely, 2^52205771 is an apocalyptic number.

52205771 is a deficient number, since it is larger than the sum of its proper divisors (1800229).

52205771 is a wasteful number, since it uses less digits than its factorization.

52205771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800228.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 52205771 is about 7225.3561157911. The cubic root of 52205771 is about 373.7428026638.

Adding to 52205771 its reverse (17750225), we get a palindrome (69955996).

The spelling of 52205771 in words is "fifty-two million, two hundred five thousand, seven hundred seventy-one".