556499427 has 16 divisors (see below), whose sum is σ = 815283840. Its totient is φ = 334843200.

The previous prime is 556499413. The next prime is 556499429. The reversal of 556499427 is 724994655.

It is not a de Polignac number, because 556499427 - 2⁸ = 556499171 is a prime.

It is a super-2 number, since 2×556499427² = 619383224502656658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 556499427.

It is not an unprimeable number, because it can be changed into a prime (556499429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56074 + ... + 65247.

It is an arithmetic number, because the mean of its divisors is an integer number (50955240).

Almost surely, 2^556499427 is an apocalyptic number.

556499427 is a deficient number, since it is larger than the sum of its proper divisors (258784413).

556499427 is a wasteful number, since it uses less digits than its factorization.

556499427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121474.

The product of its digits is 2721600, while the sum is 51.

The square root of 556499427 is about 23590.2400793209. The cubic root of 556499427 is about 822.5359854668.

The spelling of 556499427 in words is "five hundred fifty-six million, four hundred ninety-nine thousand, four hundred twenty-seven".