53394533511 has 16 divisors (see below), whose sum is σ = 81041506560. Its totient is φ = 30953352320.

The previous prime is 53394533473. The next prime is 53394533581. The reversal of 53394533511 is 11533549335.

It is not a de Polignac number, because 53394533511 - 2¹⁸ = 53394271367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53394533581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35173506 + ... + 35175023.

It is an arithmetic number, because the mean of its divisors is an integer number (5065094160).

Almost surely, 2^53394533511 is an apocalyptic number.

53394533511 is a deficient number, since it is larger than the sum of its proper divisors (27646973049).

53394533511 is a wasteful number, since it uses less digits than its factorization.

53394533511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70348566.

The product of its digits is 364500, while the sum is 42.

The spelling of 53394533511 in words is "fifty-three billion, three hundred ninety-four million, five hundred thirty-three thousand, five hundred eleven".