1055004505 has 4 divisors (see below), whose sum is σ = 1266005412. Its totient is φ = 844003600.

The previous prime is 1055004397. The next prime is 1055004539. The reversal of 1055004505 is 5054005501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 710382409 + 344622096 = 26653^2 + 18564^2 .

It is not a de Polignac number, because 1055004505 - 2²⁷ = 920786777 is a prime.

It is a super-4 number, since 4×1055004505⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055004505.

It is an unprimeable number.

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, 105500446 + ... + 105500455.

It is an arithmetic number, because the mean of its divisors is an integer number (316501353).

Almost surely, 2^1055004505 is an apocalyptic number.

It is an amenable number.

1055004505 is a deficient number, since it is larger than the sum of its proper divisors (211000907).

1055004505 is an equidigital number, since it uses as much as digits as its factorization.

1055004505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211000906.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 1055004505 is about 32480.8328864886. The cubic root of 1055004505 is about 1018.0085792909.

The spelling of 1055004505 in words is "one billion, fifty-five million, four thousand, five hundred five".