53515442344 has 32 divisors (see below), whose sum is σ = 123497176320. Its totient is φ = 21170943936.

The previous prime is 53515442333. The next prime is 53515442369. The reversal of 53515442344 is 44324451535.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53515442297 and 53515442306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36754384 + ... + 36755839.

It is an arithmetic number, because the mean of its divisors is an integer number (3859286760).

Almost surely, 2^53515442344 is an apocalyptic number.

It is an amenable number.

53515442344 is an abundant number, since it is smaller than the sum of its proper divisors (69981733976).

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

53515442344 is a wasteful number, since it uses less digits than its factorization.

53515442344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73510249 (or 73510245 counting only the distinct ones).

The product of its digits is 576000, while the sum is 40.

Adding to 53515442344 its reverse (44324451535), we get a palindrome (97839893879).

The spelling of 53515442344 in words is "fifty-three billion, five hundred fifteen million, four hundred forty-two thousand, three hundred forty-four".