53307557805 has 16 divisors (see below), whose sum is σ = 85322416320. Its totient is φ = 28420589568.

The previous prime is 53307557801. The next prime is 53307557813. The reversal of 53307557805 is 50875570335.

It is a happy number.

53307557805 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 53307557805 - 2² = 53307557801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53307557801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588052 + ... + 672621.

It is an arithmetic number, because the mean of its divisors is an integer number (5332651020).

Almost surely, 2^53307557805 is an apocalyptic number.

It is an amenable number.

53307557805 is a deficient number, since it is larger than the sum of its proper divisors (32014858515).

53307557805 is a wasteful number, since it uses less digits than its factorization.

53307557805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263500.

The product of its (nonzero) digits is 2205000, while the sum is 48.

The spelling of 53307557805 in words is "fifty-three billion, three hundred seven million, five hundred fifty-seven thousand, eight hundred five".