54213587 has 2 divisors, whose sum is σ = 54213588. Its totient is φ = 54213586.

The previous prime is 54213581. The next prime is 54213589. The reversal of 54213587 is 78531245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54213587 - 2⁸ = 54213331 is a prime.

It is a super-2 number, since 2×54213587² = 5878226030813138, which contains 22 as substring.

Together with 54213589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54213581) by changing a digit.

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 as a sum of consecutive naturals, namely, 27106793 + 27106794.

It is an arithmetic number, because the mean of its divisors is an integer number (27106794).

Almost surely, 2^54213587 is an apocalyptic number.

54213587 is a deficient number, since it is larger than the sum of its proper divisors (1).

54213587 is an equidigital number, since it uses as much as digits as its factorization.

54213587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 54213587 is about 7362.9876408969. The cubic root of 54213587 is about 378.4739978194.

The spelling of 54213587 in words is "fifty-four million, two hundred thirteen thousand, five hundred eighty-seven".