53404305 has 16 divisors (see below), whose sum is σ = 85556544. Its totient is φ = 28445760.

The previous prime is 53404303. The next prime is 53404339. The reversal of 53404305 is 50340435.

It is a happy number.

53404305 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 53404305 - 2¹ = 53404303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53404303) 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, 13170 + ... + 16740.

It is an arithmetic number, because the mean of its divisors is an integer number (5347284).

Almost surely, 2^53404305 is an apocalyptic number.

It is an amenable number.

53404305 is a deficient number, since it is larger than the sum of its proper divisors (32152239).

53404305 is a wasteful number, since it uses less digits than its factorization.

53404305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 53404305 is about 7307.8249158009. The cubic root of 53404305 is about 376.5813047834.

It can be divided in two parts, 5340430 and 5, that added together give a palindrome (5340435).

The spelling of 53404305 in words is "fifty-three million, four hundred four thousand, three hundred five".