556996741 has 4 divisors (see below), whose sum is σ = 636567712. Its totient is φ = 477425772.

The previous prime is 556996711. The next prime is 556996763. The reversal of 556996741 is 147699655.

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 556996741 - 2⁵ = 556996709 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 (556996711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39785475 + ... + 39785488.

It is an arithmetic number, because the mean of its divisors is an integer number (159141928).

Almost surely, 2^556996741 is an apocalyptic number.

It is an amenable number.

556996741 is a deficient number, since it is larger than the sum of its proper divisors (79570971).

556996741 is an equidigital number, since it uses as much as digits as its factorization.

556996741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79570970.

The product of its digits is 2041200, while the sum is 52.

The square root of 556996741 is about 23600.7783981800. The cubic root of 556996741 is about 822.7809314334.

The spelling of 556996741 in words is "five hundred fifty-six million, nine hundred ninety-six thousand, seven hundred forty-one".