56478628 has 6 divisors (see below), whose sum is σ = 98837606. Its totient is φ = 28239312.

The previous prime is 56478563. The next prime is 56478629. The reversal of 56478628 is 82687465.

It can be written as a sum of positive squares in only one way, i.e., 52446564 + 4032064 = 7242^2 + 2008^2 .

It is not an unprimeable number, because it can be changed into a prime (56478629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7059825 + ... + 7059832.

Almost surely, 2^56478628 is an apocalyptic number.

It is an amenable number.

56478628 is a deficient number, since it is larger than the sum of its proper divisors (42358978).

56478628 is a wasteful number, since it uses less digits than its factorization.

56478628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14119661 (or 14119659 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 56478628 is about 7515.2264104284. The cubic root of 56478628 is about 383.6731249703.

The spelling of 56478628 in words is "fifty-six million, four hundred seventy-eight thousand, six hundred twenty-eight".