5655502221081 has 48 divisors (see below), whose sum is σ = 7873622563392. Its totient is φ = 3609564067200.

The previous prime is 5655502221067. The next prime is 5655502221119. The reversal of 5655502221081 is 1801222055565.

It is not a de Polignac number, because 5655502221081 - 2²¹ = 5655500123929 is a prime.

It is a super-2 number, since 2×5655502221081² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5655502221881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 311915386 + ... + 311933516.

It is an arithmetic number, because the mean of its divisors is an integer number (164033803404).

Almost surely, 2^{5655502221081} is an apocalyptic number.

It is an amenable number.

5655502221081 is a deficient number, since it is larger than the sum of its proper divisors (2218120342311).

5655502221081 is a wasteful number, since it uses less digits than its factorization.

5655502221081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19334 (or 19291 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The spelling of 5655502221081 in words is "five trillion, six hundred fifty-five billion, five hundred two million, two hundred twenty-one thousand, eighty-one".