55434401448 has 64 divisors (see below), whose sum is σ = 146932781760. Its totient is φ = 17368114176.

The previous prime is 55434401447. The next prime is 55434401467. The reversal of 55434401448 is 84410443455.

It is not an unprimeable number, because it can be changed into a prime (55434401447) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 219115 + ... + 398597.

It is an arithmetic number, because the mean of its divisors is an integer number (2295824715).

Almost surely, 2^55434401448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55434401448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73466390880).

55434401448 is an abundant number, since it is smaller than the sum of its proper divisors (91498380312).

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

55434401448 is a wasteful number, since it uses less digits than its factorization.

55434401448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180266 (or 180262 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 42.

The spelling of 55434401448 in words is "fifty-five billion, four hundred thirty-four million, four hundred one thousand, four hundred forty-eight".