55230380 has 24 divisors (see below), whose sum is σ = 116327232. Its totient is φ = 22026752.

The previous prime is 55230379. The next prime is 55230389. The reversal of 55230380 is 8303255.

It is not an unprimeable number, because it can be changed into a prime (55230389) 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, 3149 + ... + 10971.

It is an arithmetic number, because the mean of its divisors is an integer number (4846968).

Almost surely, 2^55230380 is an apocalyptic number.

It is an amenable number.

55230380 is an abundant number, since it is smaller than the sum of its proper divisors (61096852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55230380 is a wasteful number, since it uses less digits than its factorization.

55230380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8185 (or 8183 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 55230380 is about 7431.7144724485. The cubic root of 55230380 is about 380.8254907700.

The spelling of 55230380 in words is "fifty-five million, two hundred thirty thousand, three hundred eighty".