55000304 has 40 divisors (see below), whose sum is σ = 113452560. Its totient is φ = 25740288.

The previous prime is 55000301. The next prime is 55000357. The reversal of 55000304 is 40300055.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000301) 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, 61847 + ... + 62729.

It is an arithmetic number, because the mean of its divisors is an integer number (2836314).

Almost surely, 2^55000304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55000304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56726280).

55000304 is an abundant number, since it is smaller than the sum of its proper divisors (58452256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55000304 is a wasteful number, since it uses less digits than its factorization.

55000304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 55000304 is about 7416.2189827432. The cubic root of 55000304 is about 380.2959467400.

Adding to 55000304 its reverse (40300055), we get a palindrome (95300359).

The spelling of 55000304 in words is "fifty-five million, three hundred four", and thus it is an aban number.