55230943 has 4 divisors (see below), whose sum is σ = 58479840. Its totient is φ = 51982048.

The previous prime is 55230913. The next prime is 55230947. The reversal of 55230943 is 34903255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55230943 - 2⁵ = 55230911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55230947) 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, 1624423 + ... + 1624456.

It is an arithmetic number, because the mean of its divisors is an integer number (14619960).

Almost surely, 2^55230943 is an apocalyptic number.

55230943 is a deficient number, since it is larger than the sum of its proper divisors (3248897).

55230943 is a wasteful number, since it uses less digits than its factorization.

55230943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248896.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 55230943 is about 7431.7523505564. The cubic root of 55230943 is about 380.8267847681.

The spelling of 55230943 in words is "fifty-five million, two hundred thirty thousand, nine hundred forty-three".