53855911 has 2 divisors, whose sum is σ = 53855912. Its totient is φ = 53855910.

The previous prime is 53855891. The next prime is 53855951. The reversal of 53855911 is 11955835.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53855911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53855951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26927955 + 26927956.

It is an arithmetic number, because the mean of its divisors is an integer number (26927956).

Almost surely, 2^53855911 is an apocalyptic number.

53855911 is a deficient number, since it is larger than the sum of its proper divisors (1).

53855911 is an equidigital number, since it uses as much as digits as its factorization.

53855911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 37.

The square root of 53855911 is about 7338.6586649060. The cubic root of 53855911 is about 377.6398289069.

The spelling of 53855911 in words is "fifty-three million, eight hundred fifty-five thousand, nine hundred eleven".