54455467819 has 6 divisors (see below), whose sum is σ = 54739119876. Its totient is φ = 54173278080.

The previous prime is 54455467817. The next prime is 54455467831. The reversal of 54455467819 is 91876455445.

It is not a de Polignac number, because 54455467819 - 2¹ = 54455467817 is a prime.

It is a super-2 number, since 2×54455467819² (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 (54455467813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693717 + ... + 768214.

It is an arithmetic number, because the mean of its divisors is an integer number (9123186646).

Almost surely, 2^54455467819 is an apocalyptic number.

54455467819 is a deficient number, since it is larger than the sum of its proper divisors (283652057).

54455467819 is an equidigital number, since it uses as much as digits as its factorization.

54455467819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462317 (or 1462124 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 58.

The spelling of 54455467819 in words is "fifty-four billion, four hundred fifty-five million, four hundred sixty-seven thousand, eight hundred nineteen".