55603166641 has 8 divisors (see below), whose sum is σ = 61224898464. Its totient is φ = 50075917920.

The previous prime is 55603166639. The next prime is 55603166651. The reversal of 55603166641 is 14666130655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55603166641 - 2¹ = 55603166639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55603166611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23619540 + ... + 23621893.

It is an arithmetic number, because the mean of its divisors is an integer number (7653112308).

Almost surely, 2^55603166641 is an apocalyptic number.

It is an amenable number.

55603166641 is a deficient number, since it is larger than the sum of its proper divisors (5621731823).

55603166641 is a wasteful number, since it uses less digits than its factorization.

55603166641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47241551.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 55603166641 in words is "fifty-five billion, six hundred three million, one hundred sixty-six thousand, six hundred forty-one".