554661213 has 4 divisors (see below), whose sum is σ = 739548288. Its totient is φ = 369774140.

The previous prime is 554661187. The next prime is 554661253. The reversal of 554661213 is 312166455.

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 554661213 - 2¹⁶ = 554595677 is a prime.

It is a super-2 number, since 2×554661213² = 615298122413262738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554661253) 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, 92443533 + ... + 92443538.

It is an arithmetic number, because the mean of its divisors is an integer number (184887072).

Almost surely, 2^554661213 is an apocalyptic number.

It is an amenable number.

554661213 is a deficient number, since it is larger than the sum of its proper divisors (184887075).

554661213 is a wasteful number, since it uses less digits than its factorization.

554661213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184887074.

The product of its digits is 21600, while the sum is 33.

The square root of 554661213 is about 23551.2465275195. The cubic root of 554661213 is about 821.6293268382.

The spelling of 554661213 in words is "five hundred fifty-four million, six hundred sixty-one thousand, two hundred thirteen".