54433217 has 2 divisors, whose sum is σ = 54433218. Its totient is φ = 54433216.

The previous prime is 54433213. The next prime is 54433229. The reversal of 54433217 is 71233445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41357761 + 13075456 = 6431^2 + 3616^2 .

It is a cyclic number.

It is not a de Polignac number, because 54433217 - 2² = 54433213 is a prime.

It is a super-2 number, since 2×54433217² = 5925950225938178, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54433217.

It is not a weakly prime, because it can be changed into another prime (54433213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27216608 + 27216609.

It is an arithmetic number, because the mean of its divisors is an integer number (27216609).

Almost surely, 2^54433217 is an apocalyptic number.

It is an amenable number.

54433217 is a deficient number, since it is larger than the sum of its proper divisors (1).

54433217 is an equidigital number, since it uses as much as digits as its factorization.

54433217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 54433217 is about 7377.8870281402. The cubic root of 54433217 is about 378.9844002834.

The spelling of 54433217 in words is "fifty-four million, four hundred thirty-three thousand, two hundred seventeen".