56130523 has 8 divisors (see below), whose sum is σ = 58296128. Its totient is φ = 54004104.

The previous prime is 56130509. The next prime is 56130533. The reversal of 56130523 is 32503165.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56130523 is a prime.

It is a super-2 number, since 2×56130523² = 6301271224507058, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 6861 + ... + 12622.

It is an arithmetic number, because the mean of its divisors is an integer number (7287016).

Almost surely, 2^56130523 is an apocalyptic number.

56130523 is a deficient number, since it is larger than the sum of its proper divisors (2165605).

56130523 is a wasteful number, since it uses less digits than its factorization.

56130523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19593.

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

The square root of 56130523 is about 7492.0306326122. The cubic root of 56130523 is about 382.8832458216.

Adding to 56130523 its reverse (32503165), we get a palindrome (88633688).

The spelling of 56130523 in words is "fifty-six million, one hundred thirty thousand, five hundred twenty-three".