55004313 has 48 divisors (see below), whose sum is σ = 93078720. Its totient is φ = 28635264.

The previous prime is 55004309. The next prime is 55004351. The reversal of 55004313 is 31340055.

55004313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55004313 - 2² = 55004309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 55004313.

It is not an unprimeable number, because it can be changed into a prime (55004363) 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 47 ways as a sum of consecutive naturals, for example, 204343 + ... + 204611.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 2^55004313 is an apocalyptic number.

It is an amenable number.

55004313 is a deficient number, since it is larger than the sum of its proper divisors (38074407).

55004313 is a wasteful number, since it uses less digits than its factorization.

55004313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 55004313 is about 7416.4892637959. The cubic root of 55004313 is about 380.3051865036.

Adding to 55004313 its reverse (31340055), we get a palindrome (86344368).

The spelling of 55004313 in words is "fifty-five million, four thousand, three hundred thirteen".