55455245 has 4 divisors (see below), whose sum is σ = 66546300. Its totient is φ = 44364192.

The previous prime is 55455227. The next prime is 55455263. The reversal of 55455245 is 54255455.

55455245 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, and also an emirpimes, since its reverse is a distinct semiprime: 54255455 = 5 ⋅10851091.

It is an interprime number because it is at equal distance from previous prime (55455227) and next prime (55455263).

It can be written as a sum of positive squares in 2 ways, for example, as 12866569 + 42588676 = 3587^2 + 6526^2 .

It is a cyclic number.

It is not a de Polignac number, because 55455245 - 2⁶ = 55455181 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 5545520 + ... + 5545529.

It is an arithmetic number, because the mean of its divisors is an integer number (16636575).

Almost surely, 2^55455245 is an apocalyptic number.

It is an amenable number.

55455245 is a deficient number, since it is larger than the sum of its proper divisors (11091055).

55455245 is a wasteful number, since it uses less digits than its factorization.

55455245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11091054.

The product of its digits is 100000, while the sum is 35.

The square root of 55455245 is about 7446.8278481512. The cubic root of 55455245 is about 381.3416219822.

The spelling of 55455245 in words is "fifty-five million, four hundred fifty-five thousand, two hundred forty-five".