53207805 has 32 divisors (see below), whose sum is σ = 98208000. Its totient is φ = 24095232.

The previous prime is 53207797. The next prime is 53207821. The reversal of 53207805 is 50870235.

It is a happy number.

It is not a de Polignac number, because 53207805 - 2³ = 53207797 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9121 + ... + 13769.

It is an arithmetic number, because the mean of its divisors is an integer number (3069000).

Almost surely, 2^53207805 is an apocalyptic number.

It is an amenable number.

53207805 is a deficient number, since it is larger than the sum of its proper divisors (45000195).

53207805 is a wasteful number, since it uses less digits than its factorization.

53207805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 53207805 is about 7294.3680329416. The cubic root of 53207805 is about 376.1188628469.

The spelling of 53207805 in words is "fifty-three million, two hundred seven thousand, eight hundred five".