56312530 has 16 divisors (see below), whose sum is σ = 101896704. Its totient is φ = 22406320.

The previous prime is 56312527. The next prime is 56312537. The reversal of 56312530 is 3521365.

It is a happy number.

56312530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56312530² = 6342202070001800, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 56312495 and 56312504.

It is not an unprimeable number, because it can be changed into a prime (56312537) 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, 12832 + ... + 16651.

It is an arithmetic number, because the mean of its divisors is an integer number (6368544).

Almost surely, 2^56312530 is an apocalyptic number.

56312530 is a deficient number, since it is larger than the sum of its proper divisors (45584174).

56312530 is a wasteful number, since it uses less digits than its factorization.

56312530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29681.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 56312530 is about 7504.1675087914. The cubic root of 56312530 is about 383.2966408904.

Adding to 56312530 its reverse (3521365), we get a palindrome (59833895).

The spelling of 56312530 in words is "fifty-six million, three hundred twelve thousand, five hundred thirty".