5536561957944 has 64 divisors (see below), whose sum is σ = 14445439568640. Its totient is φ = 1765007523840.

The previous prime is 5536561957933. The next prime is 5536561957951. The reversal of 5536561957944 is 4497591656355.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2810424 + ... + 4355640.

It is an arithmetic number, because the mean of its divisors is an integer number (225709993260).

Almost surely, 2^{5536561957944} is an apocalyptic number.

It is an amenable number.

5536561957944 is an abundant number, since it is smaller than the sum of its proper divisors (8908877610696).

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

5536561957944 is a wasteful number, since it uses less digits than its factorization.

5536561957944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551740 (or 1551736 counting only the distinct ones).

The product of its digits is 612360000, while the sum is 69.

The spelling of 5536561957944 in words is "five trillion, five hundred thirty-six billion, five hundred sixty-one million, nine hundred fifty-seven thousand, nine hundred forty-four".