54512213 has 8 divisors (see below), whose sum is σ = 62355840. Its totient is φ = 46682640.

The previous prime is 54512209. The next prime is 54512221. The reversal of 54512213 is 31221545.

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

It is a cyclic number.

It is not a de Polignac number, because 54512213 - 2² = 54512209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54512243) 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, 6848 + ... + 12486.

It is an arithmetic number, because the mean of its divisors is an integer number (7794480).

Almost surely, 2^54512213 is an apocalyptic number.

It is an amenable number.

54512213 is a deficient number, since it is larger than the sum of its proper divisors (7843627).

54512213 is a wasteful number, since it uses less digits than its factorization.

54512213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027.

The product of its digits is 1200, while the sum is 23.

The square root of 54512213 is about 7383.2386525156. The cubic root of 54512213 is about 379.1676448928.

Adding to 54512213 its reverse (31221545), we get a palindrome (85733758).

The spelling of 54512213 in words is "fifty-four million, five hundred twelve thousand, two hundred thirteen".