54145009813 has 4 divisors (see below), whose sum is σ = 54158829760. Its totient is φ = 54131189868.

The previous prime is 54145009811. The next prime is 54145009817. The reversal of 54145009813 is 31890054145.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31890054145 = 5 ⋅6378010829.

It is a cyclic number.

It is not a de Polignac number, because 54145009813 - 2¹ = 54145009811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54145009811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6904095 + ... + 6911932.

It is an arithmetic number, because the mean of its divisors is an integer number (13539707440).

Almost surely, 2^54145009813 is an apocalyptic number.

It is an amenable number.

54145009813 is a deficient number, since it is larger than the sum of its proper divisors (13819947).

54145009813 is a wasteful number, since it uses less digits than its factorization.

54145009813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819946.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 54145009813 in words is "fifty-four billion, one hundred forty-five million, nine thousand, eight hundred thirteen".