10555505544 has 32 divisors (see below), whose sum is σ = 26402058720. Its totient is φ = 3516729216.

The previous prime is 10555505533. The next prime is 10555505551. The reversal of 10555505544 is 44550555501.

It is a super-2 number, since 2×10555505544² (a number of 21 digits) contains 22 as substring.

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, 61717 + ... + 157860.

It is an arithmetic number, because the mean of its divisors is an integer number (825064335).

Almost surely, 2^10555505544 is an apocalyptic number.

It is an amenable number.

10555505544 is an abundant number, since it is smaller than the sum of its proper divisors (15846553176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10555505544 is a wasteful number, since it uses less digits than its factorization.

10555505544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221589 (or 221585 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 39.

The spelling of 10555505544 in words is "ten billion, five hundred fifty-five million, five hundred five thousand, five hundred forty-four".