55561516005116 has 96 divisors (see below), whose sum is σ = 110339862958080. Its totient is φ = 24248993932800.

The previous prime is 55561516005097. The next prime is 55561516005131. The reversal of 55561516005116 is 61150061516555.

It is a super-2 number, since 2×55561516005116² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266517281 + ... + 266725671.

It is an arithmetic number, because the mean of its divisors is an integer number (1149373572480).

Almost surely, 2^{55561516005116} is an apocalyptic number.

It is an amenable number.

55561516005116 is a deficient number, since it is larger than the sum of its proper divisors (54778346952964).

55561516005116 is a wasteful number, since it uses less digits than its factorization.

55561516005116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209595 (or 209593 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 47.

The spelling of 55561516005116 in words is "fifty-five trillion, five hundred sixty-one billion, five hundred sixteen million, five thousand, one hundred sixteen".