55517116 has 24 divisors (see below), whose sum is σ = 99870624. Its totient is φ = 26987520.

The previous prime is 55517093. The next prime is 55517141. The reversal of 55517116 is 61171555.

It is a super-3 number, since 3×55517116³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82156 + ... + 82828.

It is an arithmetic number, because the mean of its divisors is an integer number (4161276).

Almost surely, 2^55517116 is an apocalyptic number.

It is an amenable number.

55517116 is a deficient number, since it is larger than the sum of its proper divisors (44353508).

55517116 is a wasteful number, since it uses less digits than its factorization.

55517116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1219 counting only the distinct ones).

The product of its digits is 5250, while the sum is 31.

The square root of 55517116 is about 7450.9808750258. The cubic root of 55517116 is about 381.4833892660.

It can be divided in two parts, 555 and 17116, that added together give a palindrome (17671).

The spelling of 55517116 in words is "fifty-five million, five hundred seventeen thousand, one hundred sixteen".