55018611 has 12 divisors (see below), whose sum is σ = 80971488. Its totient is φ = 35986704.

The previous prime is 55018573. The next prime is 55018631. The reversal of 55018611 is 11681055.

55018611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55018611 - 2⁹ = 55018099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55018631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57195 + ... + 58148.

It is an arithmetic number, because the mean of its divisors is an integer number (6747624).

Almost surely, 2^55018611 is an apocalyptic number.

55018611 is a deficient number, since it is larger than the sum of its proper divisors (25952877).

55018611 is a wasteful number, since it uses less digits than its factorization.

55018611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115402 (or 115399 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 55018611 is about 7417.4531343312. The cubic root of 55018611 is about 380.3381362377.

Adding to 55018611 its reverse (11681055), we get a palindrome (66699666).

The spelling of 55018611 in words is "fifty-five million, eighteen thousand, six hundred eleven".