554512213 has 4 divisors (see below), whose sum is σ = 555284160. Its totient is φ = 553740268.

The previous prime is 554512187. The next prime is 554512241. The reversal of 554512213 is 312215455.

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 554512213 - 2⁹ = 554511701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554512243) 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, 384895 + ... + 386332.

It is an arithmetic number, because the mean of its divisors is an integer number (138821040).

Almost surely, 2^554512213 is an apocalyptic number.

It is an amenable number.

554512213 is a deficient number, since it is larger than the sum of its proper divisors (771947).

554512213 is an equidigital number, since it uses as much as digits as its factorization.

554512213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771946.

The product of its digits is 6000, while the sum is 28.

The square root of 554512213 is about 23548.0830005332. The cubic root of 554512213 is about 821.5557481498. Note that the first 3 decimals are identical.

Adding to 554512213 its reverse (312215455), we get a palindrome (866727668).

The spelling of 554512213 in words is "five hundred fifty-four million, five hundred twelve thousand, two hundred thirteen".