54897298597 has 4 divisors (see below), whose sum is σ = 55649316460. Its totient is φ = 54145280736.

The previous prime is 54897298591. The next prime is 54897298607. The reversal of 54897298597 is 79589279845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79589279845 = 5 ⋅15917855969.

It can be written as a sum of positive squares in 2 ways, for example, as 41075534241 + 13821764356 = 202671^2 + 117566^2 .

It is a cyclic number.

It is not a de Polignac number, because 54897298597 - 2¹¹ = 54897296549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (73), and also a Moran number because the ratio is a prime number: 752017789 = 54897298597 / (5 + 4 + 8 + 9 + 7 + 2 + 9 + 8 + 5 + 9 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54897298591) 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, 376008822 + ... + 376008967.

It is an arithmetic number, because the mean of its divisors is an integer number (13912329115).

Almost surely, 2^54897298597 is an apocalyptic number.

It is an amenable number.

54897298597 is a deficient number, since it is larger than the sum of its proper divisors (752017863).

54897298597 is an equidigital number, since it uses as much as digits as its factorization.

54897298597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752017862.

The product of its digits is 457228800, while the sum is 73.

The spelling of 54897298597 in words is "fifty-four billion, eight hundred ninety-seven million, two hundred ninety-eight thousand, five hundred ninety-seven".