53887468933 has 4 divisors (see below), whose sum is σ = 54311779840. Its totient is φ = 53463158028.

The previous prime is 53887468889. The next prime is 53887468967. The reversal of 53887468933 is 33986478835.

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 53887468933 - 2⁹ = 53887468421 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 (53887468993) 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, 212155263 + ... + 212155516.

It is an arithmetic number, because the mean of its divisors is an integer number (13577944960).

Almost surely, 2^53887468933 is an apocalyptic number.

It is an amenable number.

53887468933 is a deficient number, since it is larger than the sum of its proper divisors (424310907).

53887468933 is a wasteful number, since it uses less digits than its factorization.

53887468933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424310906.

The product of its digits is 104509440, while the sum is 64.

The spelling of 53887468933 in words is "fifty-three billion, eight hundred eighty-seven million, four hundred sixty-eight thousand, nine hundred thirty-three".