53252639 has 4 divisors (see below), whose sum is σ = 58093800. Its totient is φ = 48411480.

The previous prime is 53252609. The next prime is 53252663. The reversal of 53252639 is 93625235.

It is a happy number.

53252639 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 not a de Polignac number, because 53252639 - 2¹² = 53248543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53252599 and 53252608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53252609) 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, 2420564 + ... + 2420585.

It is an arithmetic number, because the mean of its divisors is an integer number (14523450).

Almost surely, 2^53252639 is an apocalyptic number.

53252639 is a deficient number, since it is larger than the sum of its proper divisors (4841161).

53252639 is a wasteful number, since it uses less digits than its factorization.

53252639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841160.

The product of its digits is 48600, while the sum is 35.

The square root of 53252639 is about 7297.4405787235. The cubic root of 53252639 is about 376.2244750402.

The spelling of 53252639 in words is "fifty-three million, two hundred fifty-two thousand, six hundred thirty-nine".