54561597122 has 18 divisors (see below), whose sum is σ = 82255240179. Its totient is φ = 27143873460.

The previous prime is 54561597047. The next prime is 54561597161. The reversal of 54561597122 is 22179516545.

It can be written as a sum of positive squares in only one way, i.e., 27280798561 + 27280798561 = 165169^2 + 165169^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=165169.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 109341629 + ... + 109342127.

Almost surely, 2^54561597122 is an apocalyptic number.

54561597122 is a deficient number, since it is larger than the sum of its proper divisors (27693643057).

54561597122 is an frugal number, since it uses more digits than its factorization.

54561597122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 832 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The spelling of 54561597122 in words is "fifty-four billion, five hundred sixty-one million, five hundred ninety-seven thousand, one hundred twenty-two".