53520203504644 has 48 divisors (see below), whose sum is σ = 99002449687680. Its totient is φ = 25287002737920.

The previous prime is 53520203504597. The next prime is 53520203504699. The reversal of 53520203504644 is 44640530202535.

It is a self number, because there is not a number n which added to its sum of digits gives 53520203504644.

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, 37305529 + ... + 38713600.

It is an arithmetic number, because the mean of its divisors is an integer number (2062551035160).

Almost surely, 2^{53520203504644} is an apocalyptic number.

It is an amenable number.

53520203504644 is a deficient number, since it is larger than the sum of its proper divisors (45482246183036).

53520203504644 is a wasteful number, since it uses less digits than its factorization.

53520203504644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76019308 (or 76019306 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

The spelling of 53520203504644 in words is "fifty-three trillion, five hundred twenty billion, two hundred three million, five hundred four thousand, six hundred forty-four".