55346228 has 48 divisors (see below), whose sum is σ = 116546304. Its totient is φ = 22498560.

The previous prime is 55346227. The next prime is 55346231. The reversal of 55346228 is 82264355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55346227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41825 + ... + 43127.

It is an arithmetic number, because the mean of its divisors is an integer number (2428048).

Almost surely, 2^55346228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55346228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58273152).

55346228 is an abundant number, since it is smaller than the sum of its proper divisors (61200076).

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

55346228 is a wasteful number, since it uses less digits than its factorization.

55346228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1390 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 55346228 is about 7439.5045533960. The cubic root of 55346228 is about 381.0915705435.

The spelling of 55346228 in words is "fifty-five million, three hundred forty-six thousand, two hundred twenty-eight".