553341021 has 4 divisors (see below), whose sum is σ = 737788032. Its totient is φ = 368894012.

The previous prime is 553341013. The next prime is 553341049. The reversal of 553341021 is 120143355.

553341021 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 553341021 - 2³ = 553341013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 553340982 and 553341000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553341821) 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, 92223501 + ... + 92223506.

It is an arithmetic number, because the mean of its divisors is an integer number (184447008).

Almost surely, 2^553341021 is an apocalyptic number.

It is an amenable number.

553341021 is a deficient number, since it is larger than the sum of its proper divisors (184447011).

553341021 is a wasteful number, since it uses less digits than its factorization.

553341021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184447010.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 553341021 is about 23523.2017591143. The cubic root of 553341021 is about 820.9769344840.

Adding to 553341021 its reverse (120143355), we get a palindrome (673484376).

The spelling of 553341021 in words is "five hundred fifty-three million, three hundred forty-one thousand, twenty-one".