55600311 has 8 divisors (see below), whose sum is σ = 79836400. Its totient is φ = 34215552.

The previous prime is 55600309. The next prime is 55600343. The reversal of 55600311 is 11300655.

It is a happy number.

55600311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55600311 - 2¹ = 55600309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55600301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712786 + ... + 712863.

It is an arithmetic number, because the mean of its divisors is an integer number (9979550).

Almost surely, 2^55600311 is an apocalyptic number.

55600311 is a deficient number, since it is larger than the sum of its proper divisors (24236089).

55600311 is a wasteful number, since it uses less digits than its factorization.

55600311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425665.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 55600311 is about 7456.5616070680. The cubic root of 55600311 is about 381.6738510711.

Adding to 55600311 its reverse (11300655), we get a palindrome (66900966).

The spelling of 55600311 in words is "fifty-five million, six hundred thousand, three hundred eleven".