5554664556 has 24 divisors (see below), whose sum is σ = 14812439040. Its totient is φ = 1587046992.

The previous prime is 5554664503. The next prime is 5554664561. The reversal of 5554664556 is 6554664555.

It is a junction number, because it is equal to n+sod(n) for n = 5554664499 and 5554664508.

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, 33063396 + ... + 33063563.

It is an arithmetic number, because the mean of its divisors is an integer number (617184960).

Almost surely, 2^5554664556 is an apocalyptic number.

It is an amenable number.

5554664556 is an abundant number, since it is smaller than the sum of its proper divisors (9257774484).

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

5554664556 is a wasteful number, since it uses less digits than its factorization.

5554664556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66126973 (or 66126971 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 51.

The square root of 5554664556 is about 74529.6220036034. The cubic root of 5554664556 is about 1771.0029274109.

Subtracting 5554664556 from its reverse (6554664555), we obtain a palindrome (999999999).

The spelling of 5554664556 in words is "five billion, five hundred fifty-four million, six hundred sixty-four thousand, five hundred fifty-six".