56611236 has 24 divisors (see below), whose sum is σ = 144101664. Its totient is φ = 17154880.

The previous prime is 56611231. The next prime is 56611249. The reversal of 56611236 is 63211665.

It is not an unprimeable number, because it can be changed into a prime (56611231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214305 + ... + 214568.

It is an arithmetic number, because the mean of its divisors is an integer number (6004236).

Almost surely, 2^56611236 is an apocalyptic number.

It is an amenable number.

56611236 is an abundant number, since it is smaller than the sum of its proper divisors (87490428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56611236 is a wasteful number, since it uses less digits than its factorization.

56611236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428891 (or 428889 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 56611236 is about 7524.0438595213. The cubic root of 56611236 is about 383.9731697834.

It can be divided in two parts, 5661 and 1236, that multiplied together give a palindrome (6996996).

The spelling of 56611236 in words is "fifty-six million, six hundred eleven thousand, two hundred thirty-six".