53005305305 has 8 divisors (see below), whose sum is σ = 63807019272. Its totient is φ = 42270475648.

The previous prime is 53005305289. The next prime is 53005305313. The reversal of 53005305305 is 50350350035.

It can be written as a sum of positive squares in 4 ways, for example, as 3032044096 + 49973261209 = 55064^2 + 223547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53005305305 - 2⁴ = 53005305289 is a prime.

It is a super-2 number, since 2×53005305305² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16719332 + ... + 16722501.

It is an arithmetic number, because the mean of its divisors is an integer number (7975877409).

Almost surely, 2^53005305305 is an apocalyptic number.

It is an amenable number.

53005305305 is a deficient number, since it is larger than the sum of its proper divisors (10801713967).

53005305305 is a wasteful number, since it uses less digits than its factorization.

53005305305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33442155.

The product of its (nonzero) digits is 16875, while the sum is 29.

The spelling of 53005305305 in words is "fifty-three billion, five million, three hundred five thousand, three hundred five".