5555616544 has 12 divisors (see below), whose sum is σ = 10937620134. Its totient is φ = 2777808256.

The previous prime is 5555616527. The next prime is 5555616551. The reversal of 5555616544 is 4456165555.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5418726544 + 136890000 = 73612^2 + 11700^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5555616494 and 5555616503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86806477 + ... + 86806540.

Almost surely, 2^5555616544 is an apocalyptic number.

It is an amenable number.

5555616544 is a deficient number, since it is larger than the sum of its proper divisors (5382003590).

5555616544 is a wasteful number, since it uses less digits than its factorization.

5555616544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173613027 (or 173613019 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 46.

The square root of 5555616544 is about 74536.0083717930. The cubic root of 5555616544 is about 1771.1040962699.

The spelling of 5555616544 in words is "five billion, five hundred fifty-five million, six hundred sixteen thousand, five hundred forty-four".