53063439 has 32 divisors (see below), whose sum is σ = 85392384. Its totient is φ = 28874880.

The previous prime is 53063401. The next prime is 53063449. The reversal of 53063439 is 93436035.

It is not a de Polignac number, because 53063439 - 2¹⁷ = 52932367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53063449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14202 + ... + 17544.

It is an arithmetic number, because the mean of its divisors is an integer number (2668512).

Almost surely, 2^53063439 is an apocalyptic number.

53063439 is a deficient number, since it is larger than the sum of its proper divisors (32328945).

53063439 is a wasteful number, since it uses less digits than its factorization.

53063439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 29160, while the sum is 33.

The square root of 53063439 is about 7284.4655946747. The cubic root of 53063439 is about 375.7783867419.

The spelling of 53063439 in words is "fifty-three million, sixty-three thousand, four hundred thirty-nine".