56512130 has 16 divisors (see below), whose sum is σ = 102207744. Its totient is φ = 22496880.

The previous prime is 56512037. The next prime is 56512139. The reversal of 56512130 is 3121565.

56512130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56512096 and 56512105.

It is not an unprimeable number, because it can be changed into a prime (56512139) by changing a digit.

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, 11282 + ... + 15501.

It is an arithmetic number, because the mean of its divisors is an integer number (6387984).

Almost surely, 2^56512130 is an apocalyptic number.

56512130 is a deficient number, since it is larger than the sum of its proper divisors (45695614).

56512130 is a wasteful number, since it uses less digits than its factorization.

56512130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27001.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 56512130 is about 7517.4550214817. The cubic root of 56512130 is about 383.7489724001.

Adding to 56512130 its reverse (3121565), we get a palindrome (59633695).

The spelling of 56512130 in words is "fifty-six million, five hundred twelve thousand, one hundred thirty".