1005505255 has 16 divisors (see below), whose sum is σ = 1249214400. Its totient is φ = 776043520.

The previous prime is 1005505253. The next prime is 1005505339. The reversal of 1005505255 is 5525055001.

It is a happy number.

It is not a de Polignac number, because 1005505255 - 2¹ = 1005505253 is a prime.

It is a super-2 number, since 2×1005505255² = 2022081635665230050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005505253) 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, 272070 + ... + 275740.

It is an arithmetic number, because the mean of its divisors is an integer number (78075900).

Almost surely, 2^1005505255 is an apocalyptic number.

1005505255 is a deficient number, since it is larger than the sum of its proper divisors (243709145).

1005505255 is a wasteful number, since it uses less digits than its factorization.

1005505255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594.

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 1005505255 is about 31709.7028525970. The cubic root of 1005505255 is about 1001.8317277249.

The spelling of 1005505255 in words is "one billion, five million, five hundred five thousand, two hundred fifty-five".