55644344337 has 8 divisors (see below), whose sum is σ = 77418218304. Its totient is φ = 35483349968.

The previous prime is 55644344309. The next prime is 55644344369. The reversal of 55644344337 is 73344344655.

It is a happy number.

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 55644344337 - 2⁷ = 55644344209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55644344537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403219818 + ... + 403219955.

It is an arithmetic number, because the mean of its divisors is an integer number (9677277288).

Almost surely, 2^55644344337 is an apocalyptic number.

It is an amenable number.

55644344337 is a deficient number, since it is larger than the sum of its proper divisors (21773873967).

55644344337 is a wasteful number, since it uses less digits than its factorization.

55644344337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806439799.

The product of its digits is 7257600, while the sum is 48.

The spelling of 55644344337 in words is "fifty-five billion, six hundred forty-four million, three hundred forty-four thousand, three hundred thirty-seven".