53866000191 has 32 divisors (see below), whose sum is σ = 74269651456. Its totient is φ = 34700400000.

The previous prime is 53866000183. The next prime is 53866000211. The reversal of 53866000191 is 19100066835.

It is not a de Polignac number, because 53866000191 - 2³ = 53866000183 is a prime.

It is the 232091-st Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53866000151) by changing a digit.

It is a nontrivial repunit in base 232090.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21114366 + ... + 21116916.

It is an arithmetic number, because the mean of its divisors is an integer number (2320926608).

Almost surely, 2^53866000191 is an apocalyptic number.

53866000191 is a deficient number, since it is larger than the sum of its proper divisors (20403651265).

53866000191 is a wasteful number, since it uses less digits than its factorization.

53866000191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 53866000191 in words is "fifty-three billion, eight hundred sixty-six million, one hundred ninety-one", and thus it is an aban number.