556486456 has 64 divisors (see below), whose sum is σ = 1106887680. Its totient is φ = 261930240.

The previous prime is 556486451. The next prime is 556486471. The reversal of 556486456 is 654684655.

It is a super-2 number, since 2×556486456² = 619354351422879872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556486451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777756 + ... + 1778068.

It is an arithmetic number, because the mean of its divisors is an integer number (17295120).

Almost surely, 2^556486456 is an apocalyptic number.

It is an amenable number.

556486456 is a deficient number, since it is larger than the sum of its proper divisors (550401224).

556486456 is a wasteful number, since it uses less digits than its factorization.

556486456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 520 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 49.

The square root of 556486456 is about 23589.9651547008. The cubic root of 556486456 is about 822.5295948061.

The spelling of 556486456 in words is "five hundred fifty-six million, four hundred eighty-six thousand, four hundred fifty-six".