55005005505616 has 20 divisors (see below), whose sum is σ = 106572828986100. Its totient is φ = 27502339960832.

The previous prime is 55005005505551. The next prime is 55005005505679. The reversal of 55005005505616 is 61650550050055.

It can be written as a sum of positive squares in 2 ways, for example, as 51337167680016 + 3667837825600 = 7164996^2 + 1915160^2 .

It is a congruent number.

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, 7363411 + ... + 12815218.

It is an arithmetic number, because the mean of its divisors is an integer number (5328641449305).

Almost surely, 2^{55005005505616} is an apocalyptic number.

It is an amenable number.

55005005505616 is a deficient number, since it is larger than the sum of its proper divisors (51567823480484).

55005005505616 is a wasteful number, since it uses less digits than its factorization.

55005005505616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20349006 (or 20349000 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 55005005505616 in words is "fifty-five trillion, five billion, five million, five hundred five thousand, six hundred sixteen".