55636243 has 8 divisors (see below), whose sum is σ = 60253200. Its totient is φ = 51067488.

The previous prime is 55636219. The next prime is 55636261. The reversal of 55636243 is 34263655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55636243 - 2⁵ = 55636211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55636199 and 55636208.

It is not an unprimeable number, because it can be changed into a prime (55636213) 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, 9628 + ... + 14281.

It is an arithmetic number, because the mean of its divisors is an integer number (7531650).

Almost surely, 2^55636243 is an apocalyptic number.

55636243 is a deficient number, since it is larger than the sum of its proper divisors (4616957).

55636243 is a wasteful number, since it uses less digits than its factorization.

55636243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24101.

The product of its digits is 64800, while the sum is 34.

The square root of 55636243 is about 7458.9706394381. The cubic root of 55636243 is about 381.7560529588.

Adding to 55636243 its reverse (34263655), we get a palindrome (89899898).

The spelling of 55636243 in words is "fifty-five million, six hundred thirty-six thousand, two hundred forty-three".