56630212 has 12 divisors (see below), whose sum is σ = 99481536. Its totient is φ = 28206920.

The previous prime is 56630191. The next prime is 56630219. The reversal of 56630212 is 21203665.

It is a super-2 number, since 2×56630212² = 6413961822329888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56630219) 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 3 ways as a sum of consecutive naturals, for example, 25864 + ... + 27967.

It is an arithmetic number, because the mean of its divisors is an integer number (8290128).

Almost surely, 2^56630212 is an apocalyptic number.

It is an amenable number.

56630212 is a deficient number, since it is larger than the sum of its proper divisors (42851324).

56630212 is a wasteful number, since it uses less digits than its factorization.

56630212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54098 (or 54096 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 56630212 is about 7525.3047778811. The cubic root of 56630212 is about 384.0160673977.

Adding to 56630212 its reverse (21203665), we get a palindrome (77833877).

The spelling of 56630212 in words is "fifty-six million, six hundred thirty thousand, two hundred twelve".