53887 has 2 divisors, whose sum is σ = 53888. Its totient is φ = 53886.

The previous prime is 53881. The next prime is 53891. The reversal of 53887 is 78835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53887 - 2⁷ = 53759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26943 + 26944.

It is an arithmetic number, because the mean of its divisors is an integer number (26944).

2⁵³⁸⁸⁷ is an apocalyptic number.

53887 is a deficient number, since it is larger than the sum of its proper divisors (1).

53887 is an equidigital number, since it uses as much as digits as its factorization.

53887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 31.

The square root of 53887 is about 232.1357361545. The cubic root of 53887 is about 37.7712480705.

It can be divided in two parts, 538 and 87, that added together give a 4-th power (625 = 5⁴).

The spelling of 53887 in words is "fifty-three thousand, eight hundred eighty-seven".