56020130 has 16 divisors (see below), whose sum is σ = 100921464. Its totient is φ = 22389120.

The previous prime is 56020091. The next prime is 56020177. The reversal of 56020130 is 3102065.

56020130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32410249 + 23609881 = 5693^2 + 4859^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56020099 and 56020108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22214 + ... + 24606.

Almost surely, 2^56020130 is an apocalyptic number.

56020130 is a deficient number, since it is larger than the sum of its proper divisors (44901334).

56020130 is a wasteful number, since it uses less digits than its factorization.

56020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 56020130 is about 7484.6596449004. The cubic root of 56020130 is about 382.6320730921.

Adding to 56020130 its reverse (3102065), we get a palindrome (59122195).

The spelling of 56020130 in words is "fifty-six million, twenty thousand, one hundred thirty".