53261443164 has 24 divisors (see below), whose sum is σ = 124407133200. Its totient is φ = 17735181184.

The previous prime is 53261443163. The next prime is 53261443187. The reversal of 53261443164 is 46134416235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53261443163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317239 + ... + 2340110.

It is an arithmetic number, because the mean of its divisors is an integer number (5183630550).

Almost surely, 2^53261443164 is an apocalyptic number.

It is an amenable number.

53261443164 is an abundant number, since it is smaller than the sum of its proper divisors (71145690036).

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

53261443164 is a wasteful number, since it uses less digits than its factorization.

53261443164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658309 (or 4658307 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

Adding to 53261443164 its reverse (46134416235), we get a palindrome (99395859399).

The spelling of 53261443164 in words is "fifty-three billion, two hundred sixty-one million, four hundred forty-three thousand, one hundred sixty-four".