55666616332 has 12 divisors (see below), whose sum is σ = 97473995640. Its totient is φ = 27816903296.

The previous prime is 55666616303. The next prime is 55666616351. The reversal of 55666616332 is 23361666655.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4093582 + ... + 4107157.

It is an arithmetic number, because the mean of its divisors is an integer number (8122832970).

Almost surely, 2^55666616332 is an apocalyptic number.

It is an amenable number.

55666616332 is a deficient number, since it is larger than the sum of its proper divisors (41807379308).

55666616332 is a wasteful number, since it uses less digits than its factorization.

55666616332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8202440 (or 8202438 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 49.

The spelling of 55666616332 in words is "fifty-five billion, six hundred sixty-six million, six hundred sixteen thousand, three hundred thirty-two".