52639964 has 12 divisors (see below), whose sum is σ = 99206184. Its totient is φ = 24295344.

The previous prime is 52639949. The next prime is 52639967. The reversal of 52639964 is 46993625.

52639964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52639967) 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, 506102 + ... + 506205.

It is an arithmetic number, because the mean of its divisors is an integer number (8267182).

Almost surely, 2^52639964 is an apocalyptic number.

It is an amenable number.

52639964 is a deficient number, since it is larger than the sum of its proper divisors (46566220).

52639964 is a wasteful number, since it uses less digits than its factorization.

52639964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012324 (or 1012322 counting only the distinct ones).

The product of its digits is 349920, while the sum is 44.

The square root of 52639964 is about 7255.3403779561. The cubic root of 52639964 is about 374.7760772792.

The spelling of 52639964 in words is "fifty-two million, six hundred thirty-nine thousand, nine hundred sixty-four".