53239005 has 16 divisors (see below), whose sum is σ = 94647360. Its totient is φ = 28394064.

The previous prime is 53239001. The next prime is 53239013. The reversal of 53239005 is 50093235.

It is not a de Polignac number, because 53239005 - 2² = 53239001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53239005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53239001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197047 + ... + 197316.

It is an arithmetic number, because the mean of its divisors is an integer number (5915460).

Almost surely, 2^53239005 is an apocalyptic number.

It is an amenable number.

53239005 is a deficient number, since it is larger than the sum of its proper divisors (41408355).

53239005 is a wasteful number, since it uses less digits than its factorization.

53239005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394377 (or 394371 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 53239005 is about 7296.5063557843. The cubic root of 53239005 is about 376.1923646922.

The spelling of 53239005 in words is "fifty-three million, two hundred thirty-nine thousand, five".