55005105 has 16 divisors (see below), whose sum is σ = 88881984. Its totient is φ = 29044800.

The previous prime is 55005101. The next prime is 55005109. The reversal of 55005105 is 50150055.

It is an interprime number because it is at equal distance from previous prime (55005101) and next prime (55005109).

It is not a de Polignac number, because 55005105 - 2² = 55005101 is a prime.

It is a super-2 number, since 2×55005105² = 6051123152122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55005101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16639 + ... + 19668.

It is an arithmetic number, because the mean of its divisors is an integer number (5555124).

Almost surely, 2^55005105 is an apocalyptic number.

It is an amenable number.

55005105 is a deficient number, since it is larger than the sum of its proper divisors (33876879).

55005105 is a wasteful number, since it uses less digits than its factorization.

55005105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36416.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 55005105 is about 7416.5426581393. The cubic root of 55005105 is about 380.3070118166.

The spelling of 55005105 in words is "fifty-five million, five thousand, one hundred five".