53503320044 has 12 divisors (see below), whose sum is σ = 93961662984. Its totient is φ = 26657130624.

The previous prime is 53503319951. The next prime is 53503320053. The reversal of 53503320044 is 44002330535.

It is a junction number, because it is equal to n+sod(n) for n = 53503319989 and 53503320016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23631077 + ... + 23633340.

It is an arithmetic number, because the mean of its divisors is an integer number (7830138582).

Almost surely, 2^53503320044 is an apocalyptic number.

It is an amenable number.

53503320044 is a deficient number, since it is larger than the sum of its proper divisors (40458342940).

53503320044 is a wasteful number, since it uses less digits than its factorization.

53503320044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47264704 (or 47264702 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 53503320044 its reverse (44002330535), we get a palindrome (97505650579).

The spelling of 53503320044 in words is "fifty-three billion, five hundred three million, three hundred twenty thousand, forty-four".