55230055 has 8 divisors (see below), whose sum is σ = 69764400. Its totient is φ = 41858496.

The previous prime is 55230053. The next prime is 55230079. The reversal of 55230055 is 55003255.

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

It is a cyclic number.

It is not a de Polignac number, because 55230055 - 2¹ = 55230053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55230053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290590 + ... + 290779.

It is an arithmetic number, because the mean of its divisors is an integer number (8720550).

Almost surely, 2^55230055 is an apocalyptic number.

55230055 is a deficient number, since it is larger than the sum of its proper divisors (14534345).

55230055 is a wasteful number, since it uses less digits than its factorization.

55230055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581393.

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

The square root of 55230055 is about 7431.6926066677. The cubic root of 55230055 is about 380.8247437866.

It can be divided in two parts, 5523005 and 5, that multiplied together give a square (27615025 = 5255²).

The spelling of 55230055 in words is "fifty-five million, two hundred thirty thousand, fifty-five".