53505342444 has 24 divisors (see below), whose sum is σ = 124850557440. Its totient is φ = 17834434384.

The previous prime is 53505342383. The next prime is 53505342491. The reversal of 53505342444 is 44424350535.

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, 320317 + ... + 457835.

It is an arithmetic number, because the mean of its divisors is an integer number (5202106560).

Almost surely, 2^53505342444 is an apocalyptic number.

It is an amenable number.

53505342444 is an abundant number, since it is smaller than the sum of its proper divisors (71345214996).

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

53505342444 is a wasteful number, since it uses less digits than its factorization.

53505342444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169949 (or 169947 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 53505342444 its reverse (44424350535), we get a palindrome (97929692979).

The spelling of 53505342444 in words is "fifty-three billion, five hundred five million, three hundred forty-two thousand, four hundred forty-four".