56020004 has 12 divisors (see below), whose sum is σ = 98226828. Its totient is φ = 27955200.

The previous prime is 56020001. The next prime is 56020039. The reversal of 56020004 is 40002065.

It can be written as a sum of positive squares in 2 ways, for example, as 30030400 + 25989604 = 5480^2 + 5098^2 .

It is not an unprimeable number, because it can be changed into a prime (56020001) 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, 11357 + ... + 15524.

It is an arithmetic number, because the mean of its divisors is an integer number (8185569).

Almost surely, 2^56020004 is an apocalyptic number.

It is an amenable number.

56020004 is a deficient number, since it is larger than the sum of its proper divisors (42206824).

56020004 is a wasteful number, since it uses less digits than its factorization.

56020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27406 (or 27404 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 56020004 is about 7484.6512276792. The cubic root of 56020004 is about 382.6317862210.

Adding to 56020004 its reverse (40002065), we get a palindrome (96022069).

The spelling of 56020004 in words is "fifty-six million, twenty thousand, four".