55303030 has 8 divisors (see below), whose sum is σ = 99545472. Its totient is φ = 22121208.

The previous prime is 55303019. The next prime is 55303043. The reversal of 55303030 is 3030355.

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

It is a junction number, because it is equal to n+sod(n) for n = 55302989 and 55303007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2765142 + ... + 2765161.

It is an arithmetic number, because the mean of its divisors is an integer number (12443184).

Almost surely, 2^55303030 is an apocalyptic number.

55303030 is a deficient number, since it is larger than the sum of its proper divisors (44242442).

55303030 is a wasteful number, since it uses less digits than its factorization.

55303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530310.

The product of its (nonzero) digits is 675, while the sum is 19.

The square root of 55303030 is about 7436.6007019336. The cubic root of 55303030 is about 380.9923967960.

Adding to 55303030 its reverse (3030355), we get a palindrome (58333385).

It can be divided in two parts, 5 and 5303030, that added together give a palindrome (5303035).

The spelling of 55303030 in words is "fifty-five million, three hundred three thousand, thirty".