56105212 has 12 divisors (see below), whose sum is σ = 98239680. Its totient is φ = 28036736.

The previous prime is 56105207. The next prime is 56105213. The reversal of 56105212 is 21250165.

56105212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56105213) 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 3 ways as a sum of consecutive naturals, for example, 7989 + ... + 13267.

It is an arithmetic number, because the mean of its divisors is an integer number (8186640).

Almost surely, 2^56105212 is an apocalyptic number.

It is an amenable number.

56105212 is a deficient number, since it is larger than the sum of its proper divisors (42134468).

56105212 is a wasteful number, since it uses less digits than its factorization.

56105212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7940 (or 7938 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 56105212 is about 7490.3412472330. The cubic root of 56105212 is about 382.8256858443.

Adding to 56105212 its reverse (21250165), we get a palindrome (77355377).

The spelling of 56105212 in words is "fifty-six million, one hundred five thousand, two hundred twelve".