54142219 has 2 divisors, whose sum is σ = 54142220. Its totient is φ = 54142218.

The previous prime is 54142183. The next prime is 54142247. The reversal of 54142219 is 91224145.

It is an a-pointer prime, because the next prime (54142247) can be obtained adding 54142219 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54142219 - 2⁷ = 54142091 is a prime.

It is a super-2 number, since 2×54142219² = 5862759756487922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54142019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27071109 + 27071110.

It is an arithmetic number, because the mean of its divisors is an integer number (27071110).

Almost surely, 2^54142219 is an apocalyptic number.

54142219 is a deficient number, since it is larger than the sum of its proper divisors (1).

54142219 is an equidigital number, since it uses as much as digits as its factorization.

54142219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 54142219 is about 7358.1396425999. The cubic root of 54142219 is about 378.3078476281.

The spelling of 54142219 in words is "fifty-four million, one hundred forty-two thousand, two hundred nineteen".