54895051819 has 4 divisors (see below), whose sum is σ = 54895527360. Its totient is φ = 54894576280.

The previous prime is 54895051801. The next prime is 54895051829. The reversal of 54895051819 is 91815059845.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54895051819 is a prime.

It is a super-3 number, since 3×54895051819³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54895051819.

It is not an unprimeable number, because it can be changed into a prime (54895051829) 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, 58149 + ... + 336409.

It is an arithmetic number, because the mean of its divisors is an integer number (13723881840).

Almost surely, 2^54895051819 is an apocalyptic number.

54895051819 is a deficient number, since it is larger than the sum of its proper divisors (475541).

54895051819 is a wasteful number, since it uses less digits than its factorization.

54895051819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475540.

The product of its (nonzero) digits is 2592000, while the sum is 55.

The spelling of 54895051819 in words is "fifty-four billion, eight hundred ninety-five million, fifty-one thousand, eight hundred nineteen".