55713243 has 8 divisors (see below), whose sum is σ = 74349328. Its totient is φ = 37109664.

The previous prime is 55713239. The next prime is 55713271. The reversal of 55713243 is 34231755.

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

It is not a de Polignac number, because 55713243 - 2² = 55713239 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 55713243.

It is not an unprimeable number, because it can be changed into a prime (55713223) 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, 3796 + ... + 11217.

It is an arithmetic number, because the mean of its divisors is an integer number (9293666).

Almost surely, 2^55713243 is an apocalyptic number.

55713243 is a deficient number, since it is larger than the sum of its proper divisors (18636085).

55713243 is a wasteful number, since it uses less digits than its factorization.

55713243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16253.

The product of its digits is 12600, while the sum is 30.

The square root of 55713243 is about 7464.1304249055. The cubic root of 55713243 is about 381.9320872847.

Adding to 55713243 its reverse (34231755), we get a palindrome (89944998).

The spelling of 55713243 in words is "fifty-five million, seven hundred thirteen thousand, two hundred forty-three".