54578223 has 24 divisors (see below), whose sum is σ = 92197248. Its totient is φ = 30460752.

The previous prime is 54578221. The next prime is 54578243. The reversal of 54578223 is 32287545.

It is not a de Polignac number, because 54578223 - 2¹ = 54578221 is a prime.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7365 + ... + 12782.

It is an arithmetic number, because the mean of its divisors is an integer number (3841552).

Almost surely, 2^54578223 is an apocalyptic number.

54578223 is a deficient number, since it is larger than the sum of its proper divisors (37619025).

54578223 is a wasteful number, since it uses less digits than its factorization.

54578223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20203 (or 20200 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 54578223 is about 7387.7075605359. The cubic root of 54578223 is about 379.3206305510.

The spelling of 54578223 in words is "fifty-four million, five hundred seventy-eight thousand, two hundred twenty-three".