55916351585564 has 24 divisors (see below), whose sum is σ = 105069001994208. Its totient is φ = 25942963450880.

The previous prime is 55916351585531. The next prime is 55916351585617. The reversal of 55916351585564 is 46558515361955.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a junction number, because it is equal to n+sod(n) for n = 55916351585494 and 55916351585503.

It is a congruent number.

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, 5790835229 + ... + 5790844884.

It is an arithmetic number, because the mean of its divisors is an integer number (4377875083092).

Almost surely, 2^{55916351585564} is an apocalyptic number.

It is an amenable number.

55916351585564 is a deficient number, since it is larger than the sum of its proper divisors (49152650408644).

55916351585564 is a wasteful number, since it uses less digits than its factorization.

55916351585564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11581680205 (or 11581680203 counting only the distinct ones).

The product of its digits is 486000000, while the sum is 68.

The spelling of 55916351585564 in words is "fifty-five trillion, nine hundred sixteen billion, three hundred fifty-one million, five hundred eighty-five thousand, five hundred sixty-four".