54512223 has 8 divisors (see below), whose sum is σ = 73874736. Its totient is φ = 35745600.

The previous prime is 54512221. The next prime is 54512243. The reversal of 54512223 is 32221545.

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

It is not a de Polignac number, because 54512223 - 2¹ = 54512221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54512193 and 54512202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54512221) 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, 148758 + ... + 149123.

It is an arithmetic number, because the mean of its divisors is an integer number (9234342).

Almost surely, 2^54512223 is an apocalyptic number.

54512223 is a deficient number, since it is larger than the sum of its proper divisors (19362513).

54512223 is a wasteful number, since it uses less digits than its factorization.

54512223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297945.

The product of its digits is 2400, while the sum is 24.

The square root of 54512223 is about 7383.2393297251. The cubic root of 54512223 is about 379.1676680782.

Adding to 54512223 its reverse (32221545), we get a palindrome (86733768).

The spelling of 54512223 in words is "fifty-four million, five hundred twelve thousand, two hundred twenty-three".