54440449197 has 8 divisors (see below), whose sum is σ = 72610945056. Its totient is φ = 36281793072.

The previous prime is 54440449169. The next prime is 54440449229. The reversal of 54440449197 is 79194404445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54440449197 - 2¹⁹ = 54439924909 is a prime.

It is a super-2 number, since 2×54440449197² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54440449097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2949198 + ... + 2967599.

It is an arithmetic number, because the mean of its divisors is an integer number (9076368132).

Almost surely, 2^54440449197 is an apocalyptic number.

It is an amenable number.

54440449197 is a deficient number, since it is larger than the sum of its proper divisors (18170495859).

54440449197 is a wasteful number, since it uses less digits than its factorization.

54440449197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919867.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 54440449197 in words is "fifty-four billion, four hundred forty million, four hundred forty-nine thousand, one hundred ninety-seven".