54571817545 has 16 divisors (see below), whose sum is σ = 74912745600. Its totient is φ = 37384977024.

The previous prime is 54571817539. The next prime is 54571817551.

54571817545 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (54571817539) and next prime (54571817551).

It is a cyclic number.

It is not a de Polignac number, because 54571817545 - 2¹³ = 54571809353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54571817492 and 54571817501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706467 + ... + 779896.

It is an arithmetic number, because the mean of its divisors is an integer number (4682046600).

Almost surely, 2^54571817545 is an apocalyptic number.

It is an amenable number.

54571817545 is a deficient number, since it is larger than the sum of its proper divisors (20340928055).

54571817545 is a wasteful number, since it uses less digits than its factorization.

54571817545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487424.

The product of its digits is 3920000, while the sum is 52.

The spelling of 54571817545 in words is "fifty-four billion, five hundred seventy-one million, eight hundred seventeen thousand, five hundred forty-five".