55660550516 has 24 divisors (see below), whose sum is σ = 98517021120. Its totient is φ = 27512936000.

The previous prime is 55660550507. The next prime is 55660550591. The reversal of 55660550516 is 61505506655.

55660550516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3199241 + ... + 3216591.

It is an arithmetic number, because the mean of its divisors is an integer number (4104875880).

Almost surely, 2^55660550516 is an apocalyptic number.

It is an amenable number.

55660550516 is a deficient number, since it is larger than the sum of its proper divisors (42856470604).

55660550516 is a wasteful number, since it uses less digits than its factorization.

55660550516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26455 (or 26453 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 55660550516 in words is "fifty-five billion, six hundred sixty million, five hundred fifty thousand, five hundred sixteen".