55065916 has 12 divisors (see below), whose sum is σ = 98970088. Its totient is φ = 26788752.

The previous prime is 55065863. The next prime is 55065919. The reversal of 55065916 is 61956055.

55065916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065919) 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 3 ways as a sum of consecutive naturals, for example, 185886 + ... + 186181.

Almost surely, 2^55065916 is an apocalyptic number.

It is an amenable number.

55065916 is a deficient number, since it is larger than the sum of its proper divisors (43904172).

55065916 is a wasteful number, since it uses less digits than its factorization.

55065916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372108 (or 372106 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 55065916 is about 7420.6412121865. The cubic root of 55065916 is about 380.4471099176.

It can be divided in two parts, 550 and 65916, that added together give a palindrome (66466).

The spelling of 55065916 in words is "fifty-five million, sixty-five thousand, nine hundred sixteen".