54254555545247 has 4 divisors (see below), whose sum is σ = 55577837387856. Its totient is φ = 52931273702640.

The previous prime is 54254555545243. The next prime is 54254555545271. The reversal of 54254555545247 is 74254555545245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54254555545247 - 2² = 54254555545243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54254555545247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54254555545243) 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, 661640921243 + ... + 661640921324.

It is an arithmetic number, because the mean of its divisors is an integer number (13894459346964).

Almost surely, 2^{54254555545247} is an apocalyptic number.

54254555545247 is a deficient number, since it is larger than the sum of its proper divisors (1323281842609).

54254555545247 is a wasteful number, since it uses less digits than its factorization.

54254555545247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323281842608.

The product of its digits is 560000000, while the sum is 62.

The spelling of 54254555545247 in words is "fifty-four trillion, two hundred fifty-four billion, five hundred fifty-five million, five hundred forty-five thousand, two hundred forty-seven".