52639958 has 16 divisors (see below), whose sum is σ = 90334464. Its totient is φ = 22536360.

The previous prime is 52639949. The next prime is 52639967. The reversal of 52639958 is 85993625.

52639958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52639949) and next prime (52639967).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21623 + ... + 23933.

It is an arithmetic number, because the mean of its divisors is an integer number (5645904).

Almost surely, 2^52639958 is an apocalyptic number.

52639958 is a deficient number, since it is larger than the sum of its proper divisors (37694506).

52639958 is a wasteful number, since it uses less digits than its factorization.

52639958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947.

The product of its digits is 583200, while the sum is 47.

The square root of 52639958 is about 7255.3399644676. The cubic root of 52639958 is about 374.7760630400.

The spelling of 52639958 in words is "fifty-two million, six hundred thirty-nine thousand, nine hundred fifty-eight".