54242536409 has 4 divisors (see below), whose sum is σ = 55992295680. Its totient is φ = 52492777140.

The previous prime is 54242536363. The next prime is 54242536417. The reversal of 54242536409 is 90463524245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54242536409 - 2²⁴ = 54225759193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54242536409.

It is not an unprimeable number, because it can be changed into a prime (54242536009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874879589 + ... + 874879650.

It is an arithmetic number, because the mean of its divisors is an integer number (13998073920).

Almost surely, 2^54242536409 is an apocalyptic number.

It is an amenable number.

54242536409 is a deficient number, since it is larger than the sum of its proper divisors (1749759271).

54242536409 is a wasteful number, since it uses less digits than its factorization.

54242536409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749759270.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 54242536409 in words is "fifty-four billion, two hundred forty-two million, five hundred thirty-six thousand, four hundred nine".