2503005500 has 24 divisors (see below), whose sum is σ = 5466565104. Its totient is φ = 1001202000.

The previous prime is 2503005499. The next prime is 2503005511. The reversal of 2503005500 is 55003052.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2502506 + ... + 2503505.

It is an arithmetic number, because the mean of its divisors is an integer number (227773546).

Almost surely, 2^2503005500 is an apocalyptic number.

2503005500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2503005500 is an abundant number, since it is smaller than the sum of its proper divisors (2963559604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2503005500 is a wasteful number, since it uses less digits than its factorization.

2503005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006030 (or 5006018 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 2503005500 is about 50030.0459723954. The cubic root of 2503005500 is about 1357.7524693023.

Adding to 2503005500 its reverse (55003052), we get a palindrome (2558008552).

The spelling of 2503005500 in words is "two billion, five hundred three million, five thousand, five hundred".