55444337408 has 36 divisors (see below), whose sum is σ = 112323952440. Its totient is φ = 27308396544.

The previous prime is 55444337371. The next prime is 55444337411. The reversal of 55444337408 is 80473344455.

It is a super-2 number, since 2×55444337408² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599113 + ... + 1633416.

It is an arithmetic number, because the mean of its divisors is an integer number (3120109790).

Almost surely, 2^55444337408 is an apocalyptic number.

It is an amenable number.

55444337408 is an abundant number, since it is smaller than the sum of its proper divisors (56879615032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55444337408 is an equidigital number, since it uses as much as digits as its factorization.

55444337408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232612 (or 3232598 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 47.

The spelling of 55444337408 in words is "fifty-five billion, four hundred forty-four million, three hundred thirty-seven thousand, four hundred eight".