55005455 has 16 divisors (see below), whose sum is σ = 70066944. Its totient is φ = 41310720.

The previous prime is 55005451. The next prime is 55005473. The reversal of 55005455 is 55450055.

55005455 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 55005455 - 2² = 55005451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005451) 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, 55010 + ... + 56000.

It is an arithmetic number, because the mean of its divisors is an integer number (4379184).

Almost surely, 2^55005455 is an apocalyptic number.

55005455 is a deficient number, since it is larger than the sum of its proper divisors (15061489).

55005455 is a wasteful number, since it uses less digits than its factorization.

55005455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 55005455 is about 7416.5662540019. The cubic root of 55005455 is about 380.3078184518.

The spelling of 55005455 in words is "fifty-five million, five thousand, four hundred fifty-five".