55880805266 has 32 divisors (see below), whose sum is σ = 103658184000. Its totient is φ = 22212463680.

The previous prime is 55880805203. The next prime is 55880805347. The reversal of 55880805266 is 66250808855.

It is a super-2 number, since 2×55880805266² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5136341 + ... + 5147208.

It is an arithmetic number, because the mean of its divisors is an integer number (3239318250).

Almost surely, 2^55880805266 is an apocalyptic number.

55880805266 is a deficient number, since it is larger than the sum of its proper divisors (47777378734).

55880805266 is a wasteful number, since it uses less digits than its factorization.

55880805266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10283594.

The product of its (nonzero) digits is 4608000, while the sum is 53.

The spelling of 55880805266 in words is "fifty-five billion, eight hundred eighty million, eight hundred five thousand, two hundred sixty-six".