55035553 has 4 divisors (see below), whose sum is σ = 55654020. Its totient is φ = 54417088.

The previous prime is 55035529. The next prime is 55035559. The reversal of 55035553 is 35553055.

55035553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35605089 + 19430464 = 5967^2 + 4408^2 .

It is a cyclic number.

It is not a de Polignac number, because 55035553 - 2²¹ = 52938401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55035559) 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, 309100 + ... + 309277.

It is an arithmetic number, because the mean of its divisors is an integer number (13913505).

Almost surely, 2^55035553 is an apocalyptic number.

It is an amenable number.

55035553 is a deficient number, since it is larger than the sum of its proper divisors (618467).

55035553 is an equidigital number, since it uses as much as digits as its factorization.

55035553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618466.

The product of its (nonzero) digits is 28125, while the sum is 31.

The square root of 55035553 is about 7418.5950826285. The cubic root of 55035553 is about 380.3771716798.

The spelling of 55035553 in words is "fifty-five million, thirty-five thousand, five hundred fifty-three".