55010505 has 16 divisors (see below), whose sum is σ = 96018624. Its totient is φ = 26671680.

The previous prime is 55010489. The next prime is 55010507. The reversal of 55010505 is 50501055.

55010505 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 55010505 - 2⁴ = 55010489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55010507) 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, 166534 + ... + 166863.

It is an arithmetic number, because the mean of its divisors is an integer number (6001164).

Almost surely, 2^55010505 is an apocalyptic number.

55010505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55010505 is a deficient number, since it is larger than the sum of its proper divisors (41008119).

55010505 is a wasteful number, since it uses less digits than its factorization.

55010505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333416.

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

The square root of 55010505 is about 7416.9067002356. The cubic root of 55010505 is about 380.3194566655.

It can be divided in two parts, 5501050 and 5, that added together give a palindrome (5501055).

The spelling of 55010505 in words is "fifty-five million, ten thousand, five hundred five".