53134445644 has 24 divisors (see below), whose sum is σ = 106426832288. Its totient is φ = 22738060800.

The previous prime is 53134445621. The next prime is 53134445717. The reversal of 53134445644 is 44654443135.

53134445644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×53134445644³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53134445644.

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, 1391007 + ... + 1428694.

Almost surely, 2^53134445644 is an apocalyptic number.

It is an amenable number.

53134445644 is an abundant number, since it is smaller than the sum of its proper divisors (53292386644).

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

53134445644 is a wasteful number, since it uses less digits than its factorization.

53134445644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820385 (or 2820383 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 43.

Adding to 53134445644 its reverse (44654443135), we get a palindrome (97788888779).

The spelling of 53134445644 in words is "fifty-three billion, one hundred thirty-four million, four hundred forty-five thousand, six hundred forty-four".