55030255 has 16 divisors (see below), whose sum is σ = 78073920. Its totient is φ = 36433152.

The previous prime is 55030253. The next prime is 55030259. The reversal of 55030255 is 55203055.

It is not a de Polignac number, because 55030255 - 2¹ = 55030253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26094 + ... + 28123.

It is an arithmetic number, because the mean of its divisors is an integer number (4879620).

Almost surely, 2^55030255 is an apocalyptic number.

55030255 is a deficient number, since it is larger than the sum of its proper divisors (23043665).

55030255 is a wasteful number, since it uses less digits than its factorization.

55030255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54258.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 55030255 is about 7418.2379983390. The cubic root of 55030255 is about 380.3649656129.

The spelling of 55030255 in words is "fifty-five million, thirty thousand, two hundred fifty-five".