556587494 has 4 divisors (see below), whose sum is σ = 834881244. Its totient is φ = 278293746.

The previous prime is 556587491. The next prime is 556587509. The reversal of 556587494 is 494785655.

556587494 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.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556587491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139146872 + ... + 139146875.

It is an arithmetic number, because the mean of its divisors is an integer number (208720311).

Almost surely, 2^556587494 is an apocalyptic number.

556587494 is a deficient number, since it is larger than the sum of its proper divisors (278293750).

556587494 is a wasteful number, since it uses less digits than its factorization.

556587494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278293749.

The product of its digits is 6048000, while the sum is 53.

The square root of 556587494 is about 23592.1066036927. The cubic root of 556587494 is about 822.5793724272.

The spelling of 556587494 in words is "five hundred fifty-six million, five hundred eighty-seven thousand, four hundred ninety-four".