53866053870 has 32 divisors (see below), whose sum is σ = 129290394240. Its totient is φ = 14362962720.

The previous prime is 53866053863. The next prime is 53866053893. The reversal of 53866053870 is 7835066835.

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 15 ways as a sum of consecutive naturals, for example, 275401 + ... + 428459.

It is an arithmetic number, because the mean of its divisors is an integer number (4040324820).

Almost surely, 2^53866053870 is an apocalyptic number.

53866053870 is an abundant number, since it is smaller than the sum of its proper divisors (75424340370).

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

53866053870 is a wasteful number, since it uses less digits than its factorization.

53866053870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164800.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 53866053870 in words is "fifty-three billion, eight hundred sixty-six million, fifty-three thousand, eight hundred seventy".