54182217 has 4 divisors (see below), whose sum is σ = 72242960. Its totient is φ = 36121476.

The previous prime is 54182209. The next prime is 54182231. The reversal of 54182217 is 71228145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54182217 - 2³ = 54182209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54186217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9030367 + ... + 9030372.

It is an arithmetic number, because the mean of its divisors is an integer number (18060740).

Almost surely, 2^54182217 is an apocalyptic number.

It is an amenable number.

54182217 is a deficient number, since it is larger than the sum of its proper divisors (18060743).

54182217 is a wasteful number, since it uses less digits than its factorization.

54182217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18060742.

The product of its digits is 4480, while the sum is 30.

The square root of 54182217 is about 7360.8570832478. The cubic root of 54182217 is about 378.4009840190.

The spelling of 54182217 in words is "fifty-four million, one hundred eighty-two thousand, two hundred seventeen".