54578222 has 8 divisors (see below), whose sum is σ = 86176200. Its totient is φ = 25852824.

The previous prime is 54578221. The next prime is 54578243. The reversal of 54578222 is 22287545.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54578221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718097 + ... + 718172.

It is an arithmetic number, because the mean of its divisors is an integer number (10772025).

Almost surely, 2^54578222 is an apocalyptic number.

54578222 is a deficient number, since it is larger than the sum of its proper divisors (31597978).

54578222 is a wasteful number, since it uses less digits than its factorization.

54578222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436290.

The product of its digits is 44800, while the sum is 35.

The square root of 54578222 is about 7387.7074928560. The cubic root of 54578222 is about 379.3206282344.

The spelling of 54578222 in words is "fifty-four million, five hundred seventy-eight thousand, two hundred twenty-two".