55333082665 has 12 divisors (see below), whose sum is σ = 77240466756. Its totient is φ = 37942685088.

The previous prime is 55333082663. The next prime is 55333082687. The reversal of 55333082665 is 56628033355.

55333082665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13476423744 + 41856658921 = 116088^2 + 204589^2 .

It is not a de Polignac number, because 55333082665 - 2¹ = 55333082663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55333082663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112924414 + ... + 112924903.

It is an arithmetic number, because the mean of its divisors is an integer number (6436705563).

Almost surely, 2^55333082665 is an apocalyptic number.

It is an amenable number.

55333082665 is a deficient number, since it is larger than the sum of its proper divisors (21907384091).

55333082665 is a wasteful number, since it uses less digits than its factorization.

55333082665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225849336 (or 225849329 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 55333082665 in words is "fifty-five billion, three hundred thirty-three million, eighty-two thousand, six hundred sixty-five".