1004090055 has 32 divisors (see below), whose sum is σ = 1749427200. Its totient is φ = 489831552.

The previous prime is 1004090039. The next prime is 1004090081. The reversal of 1004090055 is 5500904001.

It is not a de Polignac number, because 1004090055 - 2⁴ = 1004090039 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, 52479 + ... + 69008.

It is an arithmetic number, because the mean of its divisors is an integer number (54669600).

Almost surely, 2^1004090055 is an apocalyptic number.

1004090055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1004090055 is a deficient number, since it is larger than the sum of its proper divisors (745337145).

1004090055 is a wasteful number, since it uses less digits than its factorization.

1004090055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121543.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1004090055 is about 31687.3800589446. The cubic root of 1004090055 is about 1001.3614971509.

Adding to 1004090055 its reverse (5500904001), we get a palindrome (6504994056).

The spelling of 1004090055 in words is "one billion, four million, ninety thousand, fifty-five".