53836866144 has 72 divisors (see below), whose sum is σ = 153553163400. Its totient is φ = 17892338688.

The previous prime is 53836866137. The next prime is 53836866157. The reversal of 53836866144 is 44166863835.

53836866144 is a `hidden beast` number, since 5 + 383 + 68 + 66 + 144 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180294 + ... + 374405.

It is an arithmetic number, because the mean of its divisors is an integer number (2132682825).

Almost surely, 2^53836866144 is an apocalyptic number.

It is an amenable number.

53836866144 is an abundant number, since it is smaller than the sum of its proper divisors (99716297256).

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

53836866144 is a wasteful number, since it uses less digits than its factorization.

53836866144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555052 (or 555041 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 53836866144 in words is "fifty-three billion, eight hundred thirty-six million, eight hundred sixty-six thousand, one hundred forty-four".