556488405 has 24 divisors (see below), whose sum is σ = 1052269920. Its totient is φ = 269812320.

The previous prime is 556488391. The next prime is 556488407. The reversal of 556488405 is 504884655.

556488405 is a `hidden beast` number, since 5 + 564 + 8 + 84 + 0 + 5 = 666.

556488405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556488405 - 2⁴ = 556488389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556488407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561615 + ... + 562604.

It is an arithmetic number, because the mean of its divisors is an integer number (43844580).

Almost surely, 2^556488405 is an apocalyptic number.

556488405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

556488405 is a deficient number, since it is larger than the sum of its proper divisors (495781515).

556488405 is a wasteful number, since it uses less digits than its factorization.

556488405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124241 (or 1124238 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The square root of 556488405 is about 23590.0064646028. The cubic root of 556488405 is about 822.5305550620.

The spelling of 556488405 in words is "five hundred fifty-six million, four hundred eighty-eight thousand, four hundred five".