55007300 has 18 divisors (see below), whose sum is σ = 119366058. Its totient is φ = 22002880.

The previous prime is 55007297. The next prime is 55007311. The reversal of 55007300 is 370055.

It can be written as a sum of positive squares in 3 ways, for example, as 3655744 + 51351556 = 1912^2 + 7166^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274937 + ... + 275136.

Almost surely, 2^55007300 is an apocalyptic number.

55007300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55007300 is an abundant number, since it is smaller than the sum of its proper divisors (64358758).

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

55007300 is a wasteful number, since it uses less digits than its factorization.

55007300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550087 (or 550080 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 55007300 is about 7416.6906366654. The cubic root of 55007300 is about 380.3120705154.

Adding to 55007300 its reverse (370055), we get a palindrome (55377355).

The spelling of 55007300 in words is "fifty-five million, seven thousand, three hundred".