55416005 has 16 divisors (see below), whose sum is σ = 71745264. Its totient is φ = 40934400.

The previous prime is 55416001. The next prime is 55416017. The reversal of 55416005 is 50061455.

55416005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 744769 + 54671236 = 863^2 + 7394^2 .

It is not a de Polignac number, because 55416005 - 2² = 55416001 is a prime.

It is a super-2 number, since 2×55416005² = 6141867220320050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55416001) 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 15 ways as a sum of consecutive naturals, for example, 1646 + ... + 10655.

It is an arithmetic number, because the mean of its divisors is an integer number (4484079).

Almost surely, 2^55416005 is an apocalyptic number.

It is an amenable number.

55416005 is a deficient number, since it is larger than the sum of its proper divisors (16329259).

55416005 is a wasteful number, since it uses less digits than its factorization.

55416005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12376.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 55416005 is about 7444.1927030404. The cubic root of 55416005 is about 381.2516552826.

The spelling of 55416005 in words is "fifty-five million, four hundred sixteen thousand, five".