2150055503 has 4 divisors (see below), whose sum is σ = 2174213520. Its totient is φ = 2125897488.

The previous prime is 2150055491. The next prime is 2150055541. The reversal of 2150055503 is 3055500512.

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

It is a cyclic number.

It is not a de Polignac number, because 2150055503 - 2¹⁰ = 2150054479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150855503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12078875 + ... + 12079052.

It is an arithmetic number, because the mean of its divisors is an integer number (543553380).

Almost surely, 2^2150055503 is an apocalyptic number.

2150055503 is a deficient number, since it is larger than the sum of its proper divisors (24158017).

2150055503 is an equidigital number, since it uses as much as digits as its factorization.

2150055503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24158016.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 2150055503 is about 46368.6909778570. The cubic root of 2150055503 is about 1290.6739868826.

The spelling of 2150055503 in words is "two billion, one hundred fifty million, fifty-five thousand, five hundred three".