556408448 has 16 divisors (see below), whose sum is σ = 1108470210. Its totient is φ = 278204160.

The previous prime is 556408441. The next prime is 556408459. The reversal of 556408448 is 844804655.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 542330944 + 14077504 = 23288^2 + 3752^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×556408448² = 619180722011537408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556408399 and 556408408.

It is not an unprimeable number, because it can be changed into a prime (556408441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2173343 + ... + 2173598.

Almost surely, 2^556408448 is an apocalyptic number.

It is an amenable number.

556408448 is a deficient number, since it is larger than the sum of its proper divisors (552061762).

556408448 is an equidigital number, since it uses as much as digits as its factorization.

556408448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346955 (or 4346943 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 44.

The square root of 556408448 is about 23588.3116818479. The cubic root of 556408448 is about 822.4911590776.

The spelling of 556408448 in words is "five hundred fifty-six million, four hundred eight thousand, four hundred forty-eight".