53305605 has 24 divisors (see below), whose sum is σ = 96415488. Its totient is φ = 27193056.

The previous prime is 53305589. The next prime is 53305613. The reversal of 53305605 is 50650335.

It is a happy number.

53305605 is a `hidden beast` number, since 53 + 3 + 0 + 5 + 605 = 666.

It is not a de Polignac number, because 53305605 - 2⁴ = 53305589 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24717 + ... + 26786.

It is an arithmetic number, because the mean of its divisors is an integer number (4017312).

Almost surely, 2^53305605 is an apocalyptic number.

It is an amenable number.

53305605 is a deficient number, since it is larger than the sum of its proper divisors (43109883).

53305605 is a wasteful number, since it uses less digits than its factorization.

53305605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51537 (or 51534 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 53305605 is about 7301.0687573807. The cubic root of 53305605 is about 376.3491668423.

The spelling of 53305605 in words is "fifty-three million, three hundred five thousand, six hundred five".