55684313 has 4 divisors (see below), whose sum is σ = 56017920. Its totient is φ = 55350708.

The previous prime is 55684283. The next prime is 55684337. The reversal of 55684313 is 31348655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55684313 - 2⁶ = 55684249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55684513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166553 + ... + 166886.

It is an arithmetic number, because the mean of its divisors is an integer number (14004480).

Almost surely, 2^55684313 is an apocalyptic number.

It is an amenable number.

55684313 is a deficient number, since it is larger than the sum of its proper divisors (333607).

55684313 is a wasteful number, since it uses less digits than its factorization.

55684313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333606.

The product of its digits is 43200, while the sum is 35.

The square root of 55684313 is about 7462.1922382099. The cubic root of 55684313 is about 381.8659677067.

The spelling of 55684313 in words is "fifty-five million, six hundred eighty-four thousand, three hundred thirteen".