3055240021 has 4 divisors (see below), whose sum is σ = 3067412544. Its totient is φ = 3043067500.

The previous prime is 3055239997. The next prime is 3055240039. The reversal of 3055240021 is 1200425503.

3055240021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3055240021 - 2²⁹ = 2518369109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3055239974 and 3055240001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3055240081) 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, 6085885 + ... + 6086386.

It is an arithmetic number, because the mean of its divisors is an integer number (766853136).

Almost surely, 2^3055240021 is an apocalyptic number.

It is an amenable number.

3055240021 is a deficient number, since it is larger than the sum of its proper divisors (12172523).

3055240021 is a wasteful number, since it uses less digits than its factorization.

3055240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12172522.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 3055240021 is about 55274.2256481265. The cubic root of 3055240021 is about 1451.0479971862.

Adding to 3055240021 its reverse (1200425503), we get a palindrome (4255665524).

The spelling of 3055240021 in words is "three billion, fifty-five million, two hundred forty thousand, twenty-one".