509242055 has 24 divisors (see below), whose sum is σ = 752681808. Its totient is φ = 328651008.

The previous prime is 509242049. The next prime is 509242061. The reversal of 509242055 is 550242905.

509242055 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (509242049) and next prime (509242061).

It is not a de Polignac number, because 509242055 - 2¹² = 509237959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56969 + ... + 65298.

It is an arithmetic number, because the mean of its divisors is an integer number (31361742).

Almost surely, 2^509242055 is an apocalyptic number.

509242055 is a deficient number, since it is larger than the sum of its proper divisors (243439753).

509242055 is a wasteful number, since it uses less digits than its factorization.

509242055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122303 (or 122296 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 509242055 is about 22566.3921573653. The cubic root of 509242055 is about 798.5609834036.

The spelling of 509242055 in words is "five hundred nine million, two hundred forty-two thousand, fifty-five".