54021310853 has 4 divisors (see below), whose sum is σ = 56864537760. Its totient is φ = 51178083948.

The previous prime is 54021310831. The next prime is 54021310859. The reversal of 54021310853 is 35801312045.

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: 35801312045 = 5 ⋅7160262409.

It is a cyclic number.

It is not a de Polignac number, because 54021310853 - 2¹⁴ = 54021294469 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 (54021310859) 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, 1421613425 + ... + 1421613462.

It is an arithmetic number, because the mean of its divisors is an integer number (14216134440).

Almost surely, 2^54021310853 is an apocalyptic number.

It is an amenable number.

54021310853 is a deficient number, since it is larger than the sum of its proper divisors (2843226907).

54021310853 is a wasteful number, since it uses less digits than its factorization.

54021310853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843226906.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 54021310853 its reverse (35801312045), we get a palindrome (89822622898).

The spelling of 54021310853 in words is "fifty-four billion, twenty-one million, three hundred ten thousand, eight hundred fifty-three".