52639029 has 6 divisors (see below), whose sum is σ = 76034166. Its totient is φ = 35092680.

The previous prime is 52639003. The next prime is 52639073. The reversal of 52639029 is 92093625.

52639029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46212804 + 6426225 = 6798^2 + 2535^2 .

It is not a de Polignac number, because 52639029 - 2¹⁷ = 52507957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52638984 and 52639002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52639529) 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 5 ways as a sum of consecutive naturals, for example, 2924382 + ... + 2924399.

It is an arithmetic number, because the mean of its divisors is an integer number (12672361).

Almost surely, 2^52639029 is an apocalyptic number.

It is an amenable number.

52639029 is a deficient number, since it is larger than the sum of its proper divisors (23395137).

52639029 is a wasteful number, since it uses less digits than its factorization.

52639029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848787 (or 5848784 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 52639029 is about 7255.2759423746. The cubic root of 52639029 is about 374.7738583206.

The spelling of 52639029 in words is "fifty-two million, six hundred thirty-nine thousand, twenty-nine".