55247666633 has 8 divisors (see below), whose sum is σ = 56157201096. Its totient is φ = 54338256000.

The previous prime is 55247666627. The next prime is 55247666659. The reversal of 55247666633 is 33666674255.

It can be written as a sum of positive squares in 4 ways, for example, as 1769716624 + 53477950009 = 42068^2 + 231253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55247666633 - 2⁸ = 55247666377 is a prime.

It is a super-2 number, since 2×55247666633² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55247666693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432835 + ... + 1470887.

It is an arithmetic number, because the mean of its divisors is an integer number (7019650137).

Almost surely, 2^55247666633 is an apocalyptic number.

It is an amenable number.

55247666633 is a deficient number, since it is larger than the sum of its proper divisors (909534463).

55247666633 is a wasteful number, since it uses less digits than its factorization.

55247666633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61915.

The product of its digits is 16329600, while the sum is 53.

The spelling of 55247666633 in words is "fifty-five billion, two hundred forty-seven million, six hundred sixty-six thousand, six hundred thirty-three".