5555445 has 32 divisors (see below), whose sum is σ = 10253568. Its totient is φ = 2515968.

The previous prime is 5555401. The next prime is 5555461. The reversal of 5555445 is 5445555.

It is not a de Polignac number, because 5555445 - 2⁸ = 5555189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16317 + ... + 16653.

It is an arithmetic number, because the mean of its divisors is an integer number (320424).

Almost surely, 2^5555445 is an apocalyptic number.

It is an amenable number.

5555445 is a deficient number, since it is larger than the sum of its proper divisors (4698123).

5555445 is a wasteful number, since it uses less digits than its factorization.

5555445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its digits is 50000, while the sum is 33.

The square root of 5555445 is about 2356.9991514636. Note that the first 3 decimals coincide. The cubic root of 5555445 is about 177.1085866946.

The spelling of 5555445 in words is "five million, five hundred fifty-five thousand, four hundred forty-five".