55343313566 has 16 divisors (see below), whose sum is σ = 83190360528. Its totient is φ = 27613248000.

The previous prime is 55343313521. The next prime is 55343313569. The reversal of 55343313566 is 66531334355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55343313569) 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, 2200076 + ... + 2225088.

It is an arithmetic number, because the mean of its divisors is an integer number (5199397533).

Almost surely, 2^55343313566 is an apocalyptic number.

55343313566 is a deficient number, since it is larger than the sum of its proper divisors (27847046962).

55343313566 is a wasteful number, since it uses less digits than its factorization.

55343313566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27307.

The product of its digits is 1458000, while the sum is 44.

The spelling of 55343313566 in words is "fifty-five billion, three hundred forty-three million, three hundred thirteen thousand, five hundred sixty-six".