54254555545243 has 2 divisors, whose sum is σ = 54254555545244. Its totient is φ = 54254555545242.

The previous prime is 54254555545219. The next prime is 54254555545271. The reversal of 54254555545243 is 34254555545245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54254555545243 - 2⁴⁵ = 19070183456411 is a prime.

It is a super-2 number, since 2×54254555545243² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54254553545243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27127277772621 + 27127277772622.

It is an arithmetic number, because the mean of its divisors is an integer number (27127277772622).

Almost surely, 2^{54254555545243} is an apocalyptic number.

54254555545243 is a deficient number, since it is larger than the sum of its proper divisors (1).

54254555545243 is an equidigital number, since it uses as much as digits as its factorization.

54254555545243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240000000, while the sum is 58.

The spelling of 54254555545243 in words is "fifty-four trillion, two hundred fifty-four billion, five hundred fifty-five million, five hundred forty-five thousand, two hundred forty-three".