55144030 has 8 divisors (see below), whose sum is σ = 99259272. Its totient is φ = 22057608.

The previous prime is 55144021. The next prime is 55144031. The reversal of 55144030 is 3044155.

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 = 55143992 and 55144010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55144031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2757192 + ... + 2757211.

It is an arithmetic number, because the mean of its divisors is an integer number (12407409).

Almost surely, 2^55144030 is an apocalyptic number.

55144030 is a deficient number, since it is larger than the sum of its proper divisors (44115242).

55144030 is a wasteful number, since it uses less digits than its factorization.

55144030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514410.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 55144030 is about 7425.9026387369. The cubic root of 55144030 is about 380.6269199008.

Adding to 55144030 its reverse (3044155), we get a palindrome (58188185).

The spelling of 55144030 in words is "fifty-five million, one hundred forty-four thousand, thirty".