1530055 has 4 divisors (see below), whose sum is σ = 1836072. Its totient is φ = 1224040.

The previous prime is 1530037. The next prime is 1530071. The reversal of 1530055 is 5500351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5500351 = 229 ⋅24019.

It is a de Polignac number, because none of the positive numbers 2^k-1530055 is a prime.

It is a Duffinian number.

1530055 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153001 + ... + 153010.

It is an arithmetic number, because the mean of its divisors is an integer number (459018).

2^1530055 is an apocalyptic number.

1530055 is a deficient number, since it is larger than the sum of its proper divisors (306017).

1530055 is an equidigital number, since it uses as much as digits as its factorization.

1530055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306016.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 1530055 is about 1236.9539199178. The cubic root of 1530055 is about 115.2309159806.

The spelling of 1530055 in words is "one million, five hundred thirty thousand, fifty-five".