54440195217 has 4 divisors (see below), whose sum is σ = 72586926960. Its totient is φ = 36293463476.

The previous prime is 54440195203. The next prime is 54440195233. The reversal of 54440195217 is 71259104445.

54440195217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 54440195217 - 2⁶ = 54440195153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54440195267) 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, 9073365867 + ... + 9073365872.

It is an arithmetic number, because the mean of its divisors is an integer number (18146731740).

Almost surely, 2^54440195217 is an apocalyptic number.

It is an amenable number.

54440195217 is a deficient number, since it is larger than the sum of its proper divisors (18146731743).

54440195217 is a wasteful number, since it uses less digits than its factorization.

54440195217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18146731742.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 54440195217 in words is "fifty-four billion, four hundred forty million, one hundred ninety-five thousand, two hundred seventeen".