53513163044 has 48 divisors (see below), whose sum is σ = 103639616640. Its totient is φ = 23972739840.

The previous prime is 53513163031. The next prime is 53513163061. The reversal of 53513163044 is 44036131535.

It is a junction number, because it is equal to n+sod(n) for n = 53513162995 and 53513163013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4789937 + ... + 4801095.

It is an arithmetic number, because the mean of its divisors is an integer number (2159158680).

Almost surely, 2^53513163044 is an apocalyptic number.

It is an amenable number.

53513163044 is a deficient number, since it is larger than the sum of its proper divisors (50126453596).

53513163044 is a wasteful number, since it uses less digits than its factorization.

53513163044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12740 (or 12738 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 53513163044 its reverse (44036131535), we get a palindrome (97549294579).

The spelling of 53513163044 in words is "fifty-three billion, five hundred thirteen million, one hundred sixty-three thousand, forty-four".