53534555244 has 72 divisors (see below), whose sum is σ = 138450023712. Its totient is φ = 17435358720.

The previous prime is 53534555213. The next prime is 53534555293. The reversal of 53534555244 is 44255543535.

53534555244 is a `hidden beast` number, since 5 + 3 + 53 + 4 + 5 + 552 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 53534555244.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401617 + ... + 518039.

It is an arithmetic number, because the mean of its divisors is an integer number (1922916996).

Almost surely, 2^53534555244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53534555244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69225011856).

53534555244 is an abundant number, since it is smaller than the sum of its proper divisors (84915468468).

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

53534555244 is a wasteful number, since it uses less digits than its factorization.

53534555244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116727 (or 116722 counting only the distinct ones).

The product of its digits is 3600000, while the sum is 45.

The spelling of 53534555244 in words is "fifty-three billion, five hundred thirty-four million, five hundred fifty-five thousand, two hundred forty-four".