5545117656 has 192 divisors, whose sum is σ = 17345176800. Its totient is φ = 1631570688.

The previous prime is 5545117639. The next prime is 5545117661. The reversal of 5545117656 is 6567115455.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1483566 + ... + 1487298.

Almost surely, 2^5545117656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5545117656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8672588400).

5545117656 is an abundant number, since it is smaller than the sum of its proper divisors (11800059144).

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

5545117656 is a wasteful number, since it uses less digits than its factorization.

5545117656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807 (or 3774 counting only the distinct ones).

The product of its digits is 630000, while the sum is 45.

The square root of 5545117656 is about 74465.5467716447. The cubic root of 5545117656 is about 1769.9877275794.

It can be divided in two parts, 5545 and 117656, that added together give a square (123201 = 351²).

The spelling of 5545117656 in words is "five billion, five hundred forty-five million, one hundred seventeen thousand, six hundred fifty-six".