54844973019 has 16 divisors (see below), whose sum is σ = 81255828640. Its totient is φ = 36561507840.

The previous prime is 54844973003. The next prime is 54844973023. The reversal of 54844973019 is 91037944845.

54844973019 is a `hidden beast` number, since 548 + 4 + 4 + 97 + 3 + 0 + 1 + 9 = 666.

It is not a de Polignac number, because 54844973019 - 2⁴ = 54844973003 is a prime.

It is a super-2 number, since 2×54844973019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54844973069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722019 + ... + 794355.

It is an arithmetic number, because the mean of its divisors is an integer number (5078489290).

Almost surely, 2^54844973019 is an apocalyptic number.

54844973019 is a deficient number, since it is larger than the sum of its proper divisors (26410855621).

54844973019 is a wasteful number, since it uses less digits than its factorization.

54844973019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100427 (or 100421 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 54844973019 in words is "fifty-four billion, eight hundred forty-four million, nine hundred seventy-three thousand, nineteen".