54340219 has 4 divisors (see below), whose sum is σ = 54700240. Its totient is φ = 53980200.

The previous prime is 54340207. The next prime is 54340259. The reversal of 54340219 is 91204345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91204345 = 5 ⋅18240869.

It is a cyclic number.

It is not a de Polignac number, because 54340219 - 2¹³ = 54332027 is a prime.

It is a super-2 number, since 2×54340219² = 5905718801935922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54340259) 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, 179784 + ... + 180085.

It is an arithmetic number, because the mean of its divisors is an integer number (13675060).

Almost surely, 2^54340219 is an apocalyptic number.

54340219 is a deficient number, since it is larger than the sum of its proper divisors (360021).

54340219 is a wasteful number, since it uses less digits than its factorization.

54340219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360020.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 54340219 is about 7371.5818519501. The cubic root of 54340219 is about 378.7684483094.

The spelling of 54340219 in words is "fifty-four million, three hundred forty thousand, two hundred nineteen".