1503240055 has 8 divisors (see below), whose sum is σ = 1834462800. Its totient is φ = 1182208896.

The previous prime is 1503240047. The next prime is 1503240059. The reversal of 1503240055 is 5500423051.

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

It is a cyclic number.

It is not a de Polignac number, because 1503240055 - 2³ = 1503240047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1503240059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2547570 + ... + 2548159.

It is an arithmetic number, because the mean of its divisors is an integer number (229307850).

Almost surely, 2^1503240055 is an apocalyptic number.

1503240055 is a deficient number, since it is larger than the sum of its proper divisors (331222745).

1503240055 is an equidigital number, since it uses as much as digits as its factorization.

1503240055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095793.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1503240055 is about 38771.6398286170. The cubic root of 1503240055 is about 1145.5378580700.

The spelling of 1503240055 in words is "one billion, five hundred three million, two hundred forty thousand, fifty-five".