53005008258 has 56 divisors (see below), whose sum is σ = 119371772028. Its totient is φ = 17643876192.

The previous prime is 53005008247. The next prime is 53005008283. The reversal of 53005008258 is 85280050035.

It can be written as a sum of positive squares in 2 ways, for example, as 52930824489 + 74183769 = 230067^2 + 8613^2 .

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 27 ways as a sum of consecutive naturals, for example, 1043916 + ... + 1093512.

Almost surely, 2^53005008258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53005008258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59685886014).

53005008258 is an abundant number, since it is smaller than the sum of its proper divisors (66366763770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53005008258 is an equidigital number, since it uses as much as digits as its factorization.

53005008258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50350 (or 50335 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 53005008258 in words is "fifty-three billion, five million, eight thousand, two hundred fifty-eight".