53887218436 has 12 divisors (see below), whose sum is σ = 94325109340. Its totient is φ = 26937187200.

The previous prime is 53887218379. The next prime is 53887218449. The reversal of 53887218436 is 63481278835.

53887218436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1848484036 + 52038734400 = 42994^2 + 228120^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586601 + ... + 1620208.

Almost surely, 2^53887218436 is an apocalyptic number.

It is an amenable number.

53887218436 is a deficient number, since it is larger than the sum of its proper divisors (40437890904).

53887218436 is a wasteful number, since it uses less digits than its factorization.

53887218436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211014 (or 3211012 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The spelling of 53887218436 in words is "fifty-three billion, eight hundred eighty-seven million, two hundred eighteen thousand, four hundred thirty-six".