55230455 has 16 divisors (see below), whose sum is σ = 77793600. Its totient is φ = 36847872.

The previous prime is 55230451. The next prime is 55230457. The reversal of 55230455 is 55403255.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55230455 - 2² = 55230451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55230451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20030 + ... + 22619.

It is an arithmetic number, because the mean of its divisors is an integer number (4862100).

Almost surely, 2^55230455 is an apocalyptic number.

55230455 is a deficient number, since it is larger than the sum of its proper divisors (22563145).

55230455 is a wasteful number, since it uses less digits than its factorization.

55230455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42698.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 55230455 is about 7431.7195183887. The cubic root of 55230455 is about 380.8256631504.

The spelling of 55230455 in words is "fifty-five million, two hundred thirty thousand, four hundred fifty-five".