1000055446 has 8 divisors (see below), whose sum is σ = 1615474224. Its totient is φ = 461564040.

The previous prime is 1000055437. The next prime is 1000055449. The reversal of 1000055446 is 6445500001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1000055446² = 2000221790148517832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000055446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000055449) 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 3 ways as a sum of consecutive naturals, for example, 19231810 + ... + 19231861.

It is an arithmetic number, because the mean of its divisors is an integer number (201934278).

Almost surely, 2^1000055446 is an apocalyptic number.

1000055446 is a deficient number, since it is larger than the sum of its proper divisors (615418778).

1000055446 is a wasteful number, since it uses less digits than its factorization.

1000055446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38463686.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1000055446 is about 31623.6532677678. The cubic root of 1000055446 is about 1000.0184816584.

Adding to 1000055446 its reverse (6445500001), we get a palindrome (7445555447).

The spelling of 1000055446 in words is "one billion, fifty-five thousand, four hundred forty-six".