54200543242455 has 24 divisors (see below), whose sum is σ = 93958856108208. Its totient is φ = 28903495527936.

The previous prime is 54200543242429. The next prime is 54200543242457. The reversal of 54200543242455 is 55424234500245.

54200543242455 is a `hidden beast` number, since 5 + 4 + 20 + 0 + 543 + 2 + 42 + 45 + 5 = 666.

It is not a de Polignac number, because 54200543242455 - 2¹¹ = 54200543240407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 54200543242455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54200543242457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71721357 + ... + 72473126.

It is an arithmetic number, because the mean of its divisors is an integer number (3914952337842).

Almost surely, 2^{54200543242455} is an apocalyptic number.

54200543242455 is a deficient number, since it is larger than the sum of its proper divisors (39758312865753).

54200543242455 is a wasteful number, since it uses less digits than its factorization.

54200543242455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144202847 (or 144202844 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 45.

The spelling of 54200543242455 in words is "fifty-four trillion, two hundred billion, five hundred forty-three million, two hundred forty-two thousand, four hundred fifty-five".