5555448 has 96 divisors (see below), whose sum is σ = 16473600. Its totient is φ = 1684800.

The previous prime is 5555401. The next prime is 5555461. The reversal of 5555448 is 8445555.

It is a Cunningham number, because it is equal to 2357²-1.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 42343 + ... + 42473.

It is an arithmetic number, because the mean of its divisors is an integer number (171600).

Almost surely, 2^5555448 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 5555448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8236800).

5555448 is an abundant number, since it is smaller than the sum of its proper divisors (10918152).

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

5555448 is a wasteful number, since it uses less digits than its factorization.

5555448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 186 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 5555448 is about 2356.9997878659. Note that the first 3 decimals coincide. The cubic root of 5555448 is about 177.1086185747.

The spelling of 5555448 in words is "five million, five hundred fifty-five thousand, four hundred forty-eight".