53015043045504 has 64 divisors (see below), whose sum is σ = 141536036759040. Its totient is φ = 17581977025536.

The previous prime is 53015043045421. The next prime is 53015043045511. The reversal of 53015043045504 is 40554034051035.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×53015043045504² (a number of 28 digits) contains 22 as substring.

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, 350330464 + ... + 350481759.

It is an arithmetic number, because the mean of its divisors is an integer number (2211500574360).

Almost surely, 2^{53015043045504} is an apocalyptic number.

It is an amenable number.

53015043045504 is an abundant number, since it is smaller than the sum of its proper divisors (88520993713536).

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

53015043045504 is a wasteful number, since it uses less digits than its factorization.

53015043045504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700812437 (or 700812425 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 53015043045504 its reverse (40554034051035), we get a palindrome (93569077096539).

The spelling of 53015043045504 in words is "fifty-three trillion, fifteen billion, forty-three million, forty-five thousand, five hundred four".