556452378 has 24 divisors (see below), whose sum is σ = 1209237588. Its totient is φ = 184931712.

The previous prime is 556452331. The next prime is 556452397. The reversal of 556452378 is 873254655.

556452378 is a `hidden beast` number, since 5 + 56 + 4 + 523 + 78 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 535135689 + 21316689 = 23133^2 + 4617^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39801 + ... + 51932.

Almost surely, 2^556452378 is an apocalyptic number.

556452378 is an abundant number, since it is smaller than the sum of its proper divisors (652785210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556452378 is a wasteful number, since it uses less digits than its factorization.

556452378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92078 (or 92075 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 556452378 is about 23589.2428449919. The cubic root of 556452378 is about 822.5128044988.

The spelling of 556452378 in words is "five hundred fifty-six million, four hundred fifty-two thousand, three hundred seventy-eight".