55617283945 has 8 divisors (see below), whose sum is σ = 66745884744. Its totient is φ = 44490397824.

The previous prime is 55617283937. The next prime is 55617283951. The reversal of 55617283945 is 54938271655.

It can be written as a sum of positive squares in 4 ways, for example, as 9473518224 + 46143765721 = 97332^2 + 214811^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55617283945 - 2³ = 55617283937 is a prime.

It is a Duffinian 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, 356194 + ... + 487963.

It is an arithmetic number, because the mean of its divisors is an integer number (8343235593).

Almost surely, 2^55617283945 is an apocalyptic number.

It is an amenable number.

55617283945 is a deficient number, since it is larger than the sum of its proper divisors (11128600799).

55617283945 is a wasteful number, since it uses less digits than its factorization.

55617283945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857339.

The product of its digits is 9072000, while the sum is 55.

The spelling of 55617283945 in words is "fifty-five billion, six hundred seventeen million, two hundred eighty-three thousand, nine hundred forty-five".