55380644442359 has 4 divisors (see below), whose sum is σ = 55380700244904. Its totient is φ = 55380588639816.

The previous prime is 55380644442341. The next prime is 55380644442367. The reversal of 55380644442359 is 95324444608355.

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

It is a cyclic number.

It is not a de Polignac number, because 55380644442359 - 2³⁶ = 55311924965623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55380644442379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26385152 + ... + 28406645.

It is an arithmetic number, because the mean of its divisors is an integer number (13845175061226).

Almost surely, 2^{55380644442359} is an apocalyptic number.

55380644442359 is a deficient number, since it is larger than the sum of its proper divisors (55802545).

55380644442359 is a wasteful number, since it uses less digits than its factorization.

55380644442359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55802544.

The product of its (nonzero) digits is 248832000, while the sum is 62.

The spelling of 55380644442359 in words is "fifty-five trillion, three hundred eighty billion, six hundred forty-four million, four hundred forty-two thousand, three hundred fifty-nine".