54570807545 has 4 divisors (see below), whose sum is σ = 65484969060. Its totient is φ = 43656646032.

The previous prime is 54570807541. The next prime is 54570807553.

54570807545 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 8584578409 + 45986229136 = 92653^2 + 214444^2 .

It is a cyclic number.

It is not a de Polignac number, because 54570807545 - 2² = 54570807541 is a prime.

It is a super-2 number, since 2×54570807545² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54570807493 and 54570807502.

It is not an unprimeable number, because it can be changed into a prime (54570807541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5457080750 + ... + 5457080759.

It is an arithmetic number, because the mean of its divisors is an integer number (16371242265).

Almost surely, 2^54570807545 is an apocalyptic number.

It is an amenable number.

54570807545 is a deficient number, since it is larger than the sum of its proper divisors (10914161515).

54570807545 is a wasteful number, since it uses less digits than its factorization.

54570807545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914161514.

The product of its (nonzero) digits is 3920000, while the sum is 50.

The spelling of 54570807545 in words is "fifty-four billion, five hundred seventy million, eight hundred seven thousand, five hundred forty-five".