54358685345 has 4 divisors (see below), whose sum is σ = 65230422420. Its totient is φ = 43486948272.

The previous prime is 54358685333. The next prime is 54358685347.

54358685345 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 17626279696 + 36732405649 = 132764^2 + 191657^2 .

It is a cyclic number.

It is not a de Polignac number, because 54358685345 - 2⁶ = 54358685281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54358685347) 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, 5435868530 + ... + 5435868539.

It is an arithmetic number, because the mean of its divisors is an integer number (16307605605).

Almost surely, 2^54358685345 is an apocalyptic number.

It is an amenable number.

54358685345 is a deficient number, since it is larger than the sum of its proper divisors (10871737075).

54358685345 is a wasteful number, since it uses less digits than its factorization.

54358685345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10871737074.

The product of its digits is 34560000, while the sum is 56.

The spelling of 54358685345 in words is "fifty-four billion, three hundred fifty-eight million, six hundred eighty-five thousand, three hundred forty-five".