1005500501 has 8 divisors (see below), whose sum is σ = 1060055520. Its totient is φ = 951108912.

The previous prime is 1005500477. The next prime is 1005500599. The reversal of 1005500501 is 1050055001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005500501 is a prime.

It is a super-2 number, since 2×1005500501² = 2022062515022502002, which contains 22 as substring.

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 1005500501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005500401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28115 + ... + 52928.

It is an arithmetic number, because the mean of its divisors is an integer number (132506940).

Almost surely, 2^1005500501 is an apocalyptic number.

It is an amenable number.

1005500501 is a deficient number, since it is larger than the sum of its proper divisors (54555019).

1005500501 is an equidigital number, since it uses as much as digits as its factorization.

1005500501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81715.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 1005500501 is about 31709.6278912257. The cubic root of 1005500501 is about 1001.8301488452.

Adding to 1005500501 its reverse (1050055001), we get a palindrome (2055555502).

It can be divided in two parts, 1005500 and 501, that added together give a palindrome (1006001).

The spelling of 1005500501 in words is "one billion, five million, five hundred thousand, five hundred one".