55568899 has 8 divisors (see below), whose sum is σ = 58137408. Its totient is φ = 53058240.

The previous prime is 55568893. The next prime is 55568917. The reversal of 55568899 is 99886555.

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 55568899 - 2¹¹ = 55566851 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (55568893) 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, 12492 + ... + 16345.

It is an arithmetic number, because the mean of its divisors is an integer number (7267176).

Almost surely, 2^55568899 is an apocalyptic number.

55568899 is a deficient number, since it is larger than the sum of its proper divisors (2568509).

55568899 is a wasteful number, since it uses less digits than its factorization.

55568899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28925.

The product of its digits is 3888000, while the sum is 55.

The square root of 55568899 is about 7454.4549767237. The cubic root of 55568899 is about 381.6019606008.

The spelling of 55568899 in words is "fifty-five million, five hundred sixty-eight thousand, eight hundred ninety-nine".