56103213 has 8 divisors (see below), whose sum is σ = 79204608. Its totient is φ = 35201984.

The previous prime is 56103209. The next prime is 56103217. The reversal of 56103213 is 31230165.

It is an interprime number because it is at equal distance from previous prime (56103209) and next prime (56103217).

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

It is a cyclic number.

It is not a de Polignac number, because 56103213 - 2² = 56103209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56103213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56103217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549981 + ... + 550082.

It is an arithmetic number, because the mean of its divisors is an integer number (9900576).

Almost surely, 2^56103213 is an apocalyptic number.

It is an amenable number.

56103213 is a deficient number, since it is larger than the sum of its proper divisors (23101395).

56103213 is a wasteful number, since it uses less digits than its factorization.

56103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100083.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 56103213 is about 7490.2078075311. The cubic root of 56103213 is about 382.8211391625.

Adding to 56103213 its reverse (31230165), we get a palindrome (87333378).

The spelling of 56103213 in words is "fifty-six million, one hundred three thousand, two hundred thirteen".