5552621644 has 12 divisors (see below), whose sum is σ = 9811429264. Its totient is φ = 2749356144.

The previous prime is 5552621639. The next prime is 5552621663. The reversal of 5552621644 is 4461262555.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5552621597 and 5552621606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6738207 + ... + 6739030.

Almost surely, 2^5552621644 is an apocalyptic number.

It is an amenable number.

5552621644 is a deficient number, since it is larger than the sum of its proper divisors (4258807620).

5552621644 is a wasteful number, since it uses less digits than its factorization.

5552621644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13477344 (or 13477342 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 5552621644 is about 74515.9153738314. The cubic root of 5552621644 is about 1770.7857857795.

The spelling of 5552621644 in words is "five billion, five hundred fifty-two million, six hundred twenty-one thousand, six hundred forty-four".