55334448 has 160 divisors (see below), whose sum is σ = 174988800. Its totient is φ = 16637184.

The previous prime is 55334443. The next prime is 55334483. The reversal of 55334448 is 84443355.

It is a super-2 number, since 2×55334448² = 6123802270929408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (115200) is a multiple of the sum of its prime factors (256).

It is not an unprimeable number, because it can be changed into a prime (55334443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331261 + ... + 331427.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^55334448 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 55334448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87494400).

55334448 is an abundant number, since it is smaller than the sum of its proper divisors (119654352).

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

55334448 is a wasteful number, since it uses less digits than its factorization.

55334448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 244 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 55334448 is about 7438.7127918747. The cubic root of 55334448 is about 381.0645311986.

The spelling of 55334448 in words is "fifty-five million, three hundred thirty-four thousand, four hundred forty-eight".