1000005055 has 16 divisors (see below), whose sum is σ = 1443617280. Its totient is φ = 649626912.

The previous prime is 1000005053. The next prime is 1000005067. The reversal of 1000005055 is 5505000001.

It is a cyclic number.

It is not a de Polignac number, because 1000005055 - 2¹ = 1000005053 is a prime.

It is a super-2 number, since 2×1000005055² = 2000020220051106050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000005053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751219 + ... + 752548.

It is an arithmetic number, because the mean of its divisors is an integer number (90226080).

Almost surely, 2^1000005055 is an apocalyptic number.

1000005055 is a deficient number, since it is larger than the sum of its proper divisors (443612225).

1000005055 is a wasteful number, since it uses less digits than its factorization.

1000005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503798.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 1000005055 is about 31622.8565281506. The cubic root of 1000005055 is about 1000.0016849972.

Adding to 1000005055 its reverse (5505000001), we get a palindrome (6505005056).

The spelling of 1000005055 in words is "one billion, five thousand, fifty-five".