55155452245 has 8 divisors (see below), whose sum is σ = 66272615640. Its totient is φ = 44066979840.

The previous prime is 55155452237. The next prime is 55155452269. The reversal of 55155452245 is 54225455155.

It can be written as a sum of positive squares in 4 ways, for example, as 18814511556 + 36340940689 = 137166^2 + 190633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55155452245 - 2³ = 55155452237 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7168516 + ... + 7176205.

It is an arithmetic number, because the mean of its divisors is an integer number (8284076955).

Almost surely, 2^55155452245 is an apocalyptic number.

It is an amenable number.

55155452245 is a deficient number, since it is larger than the sum of its proper divisors (11117163395).

55155452245 is a wasteful number, since it uses less digits than its factorization.

55155452245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14345495.

The product of its digits is 1000000, while the sum is 43.

The spelling of 55155452245 in words is "fifty-five billion, one hundred fifty-five million, four hundred fifty-two thousand, two hundred forty-five".