56028004 has 12 divisors (see below), whose sum is σ = 98104300. Its totient is φ = 27998208.

The previous prime is 56028001. The next prime is 56028041. The reversal of 56028004 is 40082065.

It can be written as a sum of positive squares in 2 ways, for example, as 29484900 + 26543104 = 5430^2 + 5152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56028004.

It is not an unprimeable number, because it can be changed into a prime (56028001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8152 + ... + 13360.

Almost surely, 2^56028004 is an apocalyptic number.

It is an amenable number.

56028004 is a deficient number, since it is larger than the sum of its proper divisors (42076296).

56028004 is a wasteful number, since it uses less digits than its factorization.

56028004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902 (or 7900 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 56028004 is about 7485.1856356406. The cubic root of 56028004 is about 382.6499994090.

The spelling of 56028004 in words is "fifty-six million, twenty-eight thousand, four".