52561071 has 6 divisors (see below), whose sum is σ = 75921560. Its totient is φ = 35040708.

The previous prime is 52561051. The next prime is 52561081. The reversal of 52561071 is 17016525.

It is not a de Polignac number, because 52561071 - 2⁹ = 52560559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52561051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2920051 + ... + 2920068.

Almost surely, 2^52561071 is an apocalyptic number.

52561071 is a deficient number, since it is larger than the sum of its proper divisors (23360489).

52561071 is a wasteful number, since it uses less digits than its factorization.

52561071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840125 (or 5840122 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 52561071 is about 7249.9014476060. The cubic root of 52561071 is about 374.5887545039.

Adding to 52561071 its reverse (17016525), we get a palindrome (69577596).

The spelling of 52561071 in words is "fifty-two million, five hundred sixty-one thousand, seventy-one".