55438314445 has 8 divisors (see below), whose sum is σ = 67437292536. Its totient is φ = 43743108096.

The previous prime is 55438314427. The next prime is 55438314469. The reversal of 55438314445 is 54441383455.

55438314445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14015481769 + 41422832676 = 118387^2 + 203526^2 .

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 55438314445 - 2⁷ = 55438314317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55438314395 and 55438314404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75942532 + ... + 75943261.

It is an arithmetic number, because the mean of its divisors is an integer number (8429661567).

Almost surely, 2^55438314445 is an apocalyptic number.

It is an amenable number.

55438314445 is a deficient number, since it is larger than the sum of its proper divisors (11998978091).

55438314445 is a wasteful number, since it uses less digits than its factorization.

55438314445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151885871.

The product of its digits is 2304000, while the sum is 46.

The spelling of 55438314445 in words is "fifty-five billion, four hundred thirty-eight million, three hundred fourteen thousand, four hundred forty-five".