54243064051565 has 8 divisors (see below), whose sum is σ = 65106678426720. Its totient is φ = 43384450198032.

The previous prime is 54243064051541. The next prime is 54243064051597. The reversal of 54243064051565 is 56515046034245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54243064051565 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250106539 + ... + 1250149928.

It is an arithmetic number, because the mean of its divisors is an integer number (8138334803340).

Almost surely, 2^{54243064051565} is an apocalyptic number.

It is an amenable number.

54243064051565 is a deficient number, since it is larger than the sum of its proper divisors (10863614375155).

54243064051565 is a wasteful number, since it uses less digits than its factorization.

54243064051565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500260811.

The product of its (nonzero) digits is 8640000, while the sum is 50.

The spelling of 54243064051565 in words is "fifty-four trillion, two hundred forty-three billion, sixty-four million, fifty-one thousand, five hundred sixty-five".