56130535 has 16 divisors (see below), whose sum is σ = 69012000. Its totient is φ = 43812736.

The previous prime is 56130533. The next prime is 56130539. The reversal of 56130535 is 53503165.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56130535 - 2¹ = 56130533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56130533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43317 + ... + 44593.

It is an arithmetic number, because the mean of its divisors is an integer number (4313250).

Almost surely, 2^56130535 is an apocalyptic number.

56130535 is a deficient number, since it is larger than the sum of its proper divisors (12881465).

56130535 is a wasteful number, since it uses less digits than its factorization.

56130535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 56130535 is about 7492.0314334632. The cubic root of 56130535 is about 382.8832731068.

It can be divided in two parts, 56130 and 535, that added together give a palindrome (56665).

The spelling of 56130535 in words is "fifty-six million, one hundred thirty thousand, five hundred thirty-five".