56105211 has 12 divisors (see below), whose sum is σ = 78203048. Its totient is φ = 35776224.

The previous prime is 56105207. The next prime is 56105213. The reversal of 56105211 is 11250165.

It is not a de Polignac number, because 56105211 - 2² = 56105207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56105213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16090 + ... + 19263.

Almost surely, 2^56105211 is an apocalyptic number.

56105211 is a deficient number, since it is larger than the sum of its proper divisors (22097837).

56105211 is a wasteful number, since it uses less digits than its factorization.

56105211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35402 (or 35379 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 56105211 is about 7490.3411804804. The cubic root of 56105211 is about 382.8256835698.

Adding to 56105211 its reverse (11250165), we get a palindrome (67355376).

The spelling of 56105211 in words is "fifty-six million, one hundred five thousand, two hundred eleven".