55330440041 has 4 divisors (see below), whose sum is σ = 55334888532. Its totient is φ = 55325991552.

The previous prime is 55330440029. The next prime is 55330440047. The reversal of 55330440041 is 14004403355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35383114816 + 19947325225 = 188104^2 + 141235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55330440041 is a prime.

It is a super-2 number, since 2×55330440041² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55330439986 and 55330440013.

It is not an unprimeable number, because it can be changed into a prime (55330440047) 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 3 ways as a sum of consecutive naturals, for example, 2205536 + ... + 2230481.

It is an arithmetic number, because the mean of its divisors is an integer number (13833722133).

Almost surely, 2^55330440041 is an apocalyptic number.

It is an amenable number.

55330440041 is a deficient number, since it is larger than the sum of its proper divisors (4448491).

55330440041 is a wasteful number, since it uses less digits than its factorization.

55330440041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448490.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 55330440041 its reverse (14004403355), we get a palindrome (69334843396).

The spelling of 55330440041 in words is "fifty-five billion, three hundred thirty million, four hundred forty thousand, forty-one".