53240505 has 16 divisors (see below), whose sum is σ = 85968960. Its totient is φ = 28133568.

The previous prime is 53240503. The next prime is 53240543. The reversal of 53240505 is 50504235.

53240505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53240505 - 2¹ = 53240503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53240501) 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 15 ways as a sum of consecutive naturals, for example, 14647 + ... + 17916.

It is an arithmetic number, because the mean of its divisors is an integer number (5373060).

Almost surely, 2^53240505 is an apocalyptic number.

It is an amenable number.

53240505 is a deficient number, since it is larger than the sum of its proper divisors (32728455).

53240505 is a wasteful number, since it uses less digits than its factorization.

53240505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32680.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 53240505 is about 7296.6091439791. The cubic root of 53240505 is about 376.1958977112.

The spelling of 53240505 in words is "fifty-three million, two hundred forty thousand, five hundred five".