56180213 has 4 divisors (see below), whose sum is σ = 57132480. Its totient is φ = 55227948.

The previous prime is 56180129. The next prime is 56180239. The reversal of 56180213 is 31208165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56180213 - 2¹² = 56176117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56180273) 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 3 ways as a sum of consecutive naturals, for example, 476045 + ... + 476162.

It is an arithmetic number, because the mean of its divisors is an integer number (14283120).

Almost surely, 2^56180213 is an apocalyptic number.

It is an amenable number.

56180213 is a deficient number, since it is larger than the sum of its proper divisors (952267).

56180213 is an equidigital number, since it uses as much as digits as its factorization.

56180213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952266.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 56180213 is about 7495.3460894077. The cubic root of 56180213 is about 382.9961959960.

Adding to 56180213 its reverse (31208165), we get a palindrome (87388378).

The spelling of 56180213 in words is "fifty-six million, one hundred eighty thousand, two hundred thirteen".