556243453 has 4 divisors (see below), whose sum is σ = 556349760. Its totient is φ = 556137148.

The previous prime is 556243409. The next prime is 556243469. The reversal of 556243453 is 354342655.

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 a de Polignac number, because none of the positive numbers 2^k-556243453 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 (556243483) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 44875 + ... + 55912.

It is an arithmetic number, because the mean of its divisors is an integer number (139087440).

Almost surely, 2^556243453 is an apocalyptic number.

It is an amenable number.

556243453 is a deficient number, since it is larger than the sum of its proper divisors (106307).

556243453 is a wasteful number, since it uses less digits than its factorization.

556243453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106306.

The product of its digits is 216000, while the sum is 37.

The square root of 556243453 is about 23584.8140336107. The cubic root of 556243453 is about 822.4098516942.

The spelling of 556243453 in words is "five hundred fifty-six million, two hundred forty-three thousand, four hundred fifty-three".