56535211 has 4 divisors (see below), whose sum is σ = 56772000. Its totient is φ = 56298424.

The previous prime is 56535197. The next prime is 56535221. The reversal of 56535211 is 11253565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11253565 = 5 ⋅2250713.

It is a cyclic number.

It is not a de Polignac number, because 56535211 - 2¹¹ = 56533163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56535211.

It is not an unprimeable number, because it can be changed into a prime (56535221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118036 + ... + 118513.

It is an arithmetic number, because the mean of its divisors is an integer number (14193000).

Almost surely, 2^56535211 is an apocalyptic number.

56535211 is a deficient number, since it is larger than the sum of its proper divisors (236789).

56535211 is a wasteful number, since it uses less digits than its factorization.

56535211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236788.

The product of its digits is 4500, while the sum is 28.

The square root of 56535211 is about 7518.9900252627. The cubic root of 56535211 is about 383.8012095892.

Adding to 56535211 its reverse (11253565), we get a palindrome (67788776).

The spelling of 56535211 in words is "fifty-six million, five hundred thirty-five thousand, two hundred eleven".