53018279888 has 30 divisors (see below), whose sum is σ = 119494007586. Its totient is φ = 22722119616.

The previous prime is 53018279851. The next prime is 53018279891. The reversal of 53018279888 is 88897281035.

It can be written as a sum of positive squares in only one way, i.e., 52446496144 + 571783744 = 229012^2 + 23912^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 33811895 + ... + 33813462.

Almost surely, 2^53018279888 is an apocalyptic number.

It is an amenable number.

53018279888 is an abundant number, since it is smaller than the sum of its proper divisors (66475727698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53018279888 is a wasteful number, since it uses less digits than its factorization.

53018279888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67625379 (or 67625366 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 59.

The spelling of 53018279888 in words is "fifty-three billion, eighteen million, two hundred seventy-nine thousand, eight hundred eighty-eight".