54719091745 has 4 divisors (see below), whose sum is σ = 65662910100. Its totient is φ = 43775273392.

The previous prime is 54719091733. The next prime is 54719091769.

54719091745 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11750776801 + 42968314944 = 108401^2 + 207288^2 .

It is a cyclic number.

It is not a de Polignac number, because 54719091745 - 2⁷ = 54719091617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54719091692 and 54719091701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5471909170 + ... + 5471909179.

It is an arithmetic number, because the mean of its divisors is an integer number (16415727525).

Almost surely, 2^54719091745 is an apocalyptic number.

It is an amenable number.

54719091745 is a deficient number, since it is larger than the sum of its proper divisors (10943818355).

54719091745 is a wasteful number, since it uses less digits than its factorization.

54719091745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10943818354.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 54719091745 in words is "fifty-four billion, seven hundred nineteen million, ninety-one thousand, seven hundred forty-five".