52644979 has 4 divisors (see below), whose sum is σ = 52777984. Its totient is φ = 52511976.

The previous prime is 52644967. The next prime is 52644989. The reversal of 52644979 is 97944625.

52644979 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 a de Polignac number, because none of the positive numbers 2^k-52644979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52644959) 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, 65907 + ... + 66700.

It is an arithmetic number, because the mean of its divisors is an integer number (13194496).

Almost surely, 2^52644979 is an apocalyptic number.

52644979 is a deficient number, since it is larger than the sum of its proper divisors (133005).

52644979 is a wasteful number, since it uses less digits than its factorization.

52644979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133004.

The product of its digits is 544320, while the sum is 46.

The square root of 52644979 is about 7255.6859772181. The cubic root of 52644979 is about 374.7879785180.

The spelling of 52644979 in words is "fifty-two million, six hundred forty-four thousand, nine hundred seventy-nine".