52571042 has 4 divisors (see below), whose sum is σ = 78856566. Its totient is φ = 26285520.

The previous prime is 52571041. The next prime is 52571053. The reversal of 52571042 is 24017525.

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

It can be written as a sum of positive squares in only one way, i.e., 50140561 + 2430481 = 7081^2 + 1559^2 .

It is not an unprimeable number, because it can be changed into a prime (52571041) 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 as a sum of consecutive naturals, namely, 13142759 + ... + 13142762.

Almost surely, 2^52571042 is an apocalyptic number.

52571042 is a deficient number, since it is larger than the sum of its proper divisors (26285524).

52571042 is a wasteful number, since it uses less digits than its factorization.

52571042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26285523.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 52571042 is about 7250.5890795162. The cubic root of 52571042 is about 374.6124398934.

Adding to 52571042 its reverse (24017525), we get a palindrome (76588567).

The spelling of 52571042 in words is "fifty-two million, five hundred seventy-one thousand, forty-two".