5507221656 has 16 divisors (see below), whose sum is σ = 13768054200. Its totient is φ = 1835740544.

The previous prime is 5507221633. The next prime is 5507221661. The reversal of 5507221656 is 6561227055.

It is a congruent number.

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, 114733761 + ... + 114733808.

Almost surely, 2^5507221656 is an apocalyptic number.

It is an amenable number.

5507221656 is an abundant number, since it is smaller than the sum of its proper divisors (8260832544).

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

5507221656 is a wasteful number, since it uses less digits than its factorization.

5507221656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229467578 (or 229467574 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 5507221656 is about 74210.6572939494. The cubic root of 5507221656 is about 1765.9464043550.

The spelling of 5507221656 in words is "five billion, five hundred seven million, two hundred twenty-one thousand, six hundred fifty-six".