5555913444 has 135 divisors (see below), whose sum is σ = 15036002443. Its totient is φ = 1788912000.

The previous prime is 5555913401. The next prime is 5555913469. The reversal of 5555913444 is 4443195555.

It is a happy number.

The square root of 5555913444 is 74538.

It is a perfect power (a square), and thus also a powerful number.

5555913444 is a `hidden beast` number, since 5 + 55 + 591 + 3 + 4 + 4 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2683044 + 5553230400 = 1638^2 + 74520^2 .

It is a super-2 number, since 2×5555913444² = 61736348394439882272, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (1080000) is a multiple of the sum of its prime factors (300).

It is a self number, because there is not a number n which added to its sum of digits gives 5555913444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 55008994 + ... + 55009094.

Almost surely, 2^5555913444 is an apocalyptic number.

5555913444 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5555913444 is the 74538-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5555913444

5555913444 is an abundant number, since it is smaller than the sum of its proper divisors (9480088999).

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

5555913444 is a wasteful number, since it uses less digits than its factorization.

5555913444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 147 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The cubic root of 5555913444 is about 1771.1356458100.

The spelling of 5555913444 in words is "five billion, five hundred fifty-five million, nine hundred thirteen thousand, four hundred forty-four".