52639844 has 6 divisors (see below), whose sum is σ = 92119734. Its totient is φ = 26319920.

The previous prime is 52639831. The next prime is 52639877. The reversal of 52639844 is 44893625.

It can be written as a sum of positive squares in only one way, i.e., 51294244 + 1345600 = 7162^2 + 1160^2 .

It is an unprimeable number.

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, 6579977 + ... + 6579984.

It is an arithmetic number, because the mean of its divisors is an integer number (15353289).

Almost surely, 2^52639844 is an apocalyptic number.

It is an amenable number.

52639844 is a deficient number, since it is larger than the sum of its proper divisors (39479890).

52639844 is a wasteful number, since it uses less digits than its factorization.

52639844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13159965 (or 13159963 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 52639844 is about 7255.3321081809. The cubic root of 52639844 is about 374.7757924946.

The spelling of 52639844 in words is "fifty-two million, six hundred thirty-nine thousand, eight hundred forty-four".