53213124661144 has 32 divisors (see below), whose sum is σ = 117706450867200. Its totient is φ = 22069959536160.

The previous prime is 53213124661079. The next prime is 53213124661189. The reversal of 53213124661144 is 44116642131235.

It is a self number, because there is not a number n which added to its sum of digits gives 53213124661144.

It is a congruent 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, 15326359054 + ... + 15326362525.

It is an arithmetic number, because the mean of its divisors is an integer number (3678326589600).

Almost surely, 2^{53213124661144} is an apocalyptic number.

It is an amenable number.

53213124661144 is an abundant number, since it is smaller than the sum of its proper divisors (64493326206056).

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

53213124661144 is a wasteful number, since it uses less digits than its factorization.

53213124661144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30652721623 (or 30652721619 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

Adding to 53213124661144 its reverse (44116642131235), we get a palindrome (97329766792379).

The spelling of 53213124661144 in words is "fifty-three trillion, two hundred thirteen billion, one hundred twenty-four million, six hundred sixty-one thousand, one hundred forty-four".