55553030 has 32 divisors (see below), whose sum is σ = 108779328. Its totient is φ = 20304000.

The previous prime is 55552993. The next prime is 55553053. The reversal of 55553030 is 3035555.

55553030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55553030³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11015 + ... + 15245.

It is an arithmetic number, because the mean of its divisors is an integer number (3399354).

Almost surely, 2^55553030 is an apocalyptic number.

55553030 is a deficient number, since it is larger than the sum of its proper divisors (53226298).

55553030 is a wasteful number, since it uses less digits than its factorization.

55553030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352.

The product of its (nonzero) digits is 5625, while the sum is 26.

The square root of 55553030 is about 7453.3905036567. The cubic root of 55553030 is about 381.5656320180.

Adding to 55553030 its reverse (3035555), we get a palindrome (58588585).

The spelling of 55553030 in words is "fifty-five million, five hundred fifty-three thousand, thirty".