54827489 has 2 divisors, whose sum is σ = 54827490. Its totient is φ = 54827488.

The previous prime is 54827477. The next prime is 54827491. The reversal of 54827489 is 98472845.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50694400 + 4133089 = 7120^2 + 2033^2 .

It is a cyclic number.

It is not a de Polignac number, because 54827489 - 2⁴ = 54827473 is a prime.

Together with 54827491, 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 (54827459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27413744 + 27413745.

It is an arithmetic number, because the mean of its divisors is an integer number (27413745).

Almost surely, 2^54827489 is an apocalyptic number.

It is an amenable number.

54827489 is a deficient number, since it is larger than the sum of its proper divisors (1).

54827489 is an equidigital number, since it uses as much as digits as its factorization.

54827489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 54827489 is about 7404.5586634181. The cubic root of 54827489 is about 379.8972228973.

The spelling of 54827489 in words is "fifty-four million, eight hundred twenty-seven thousand, four hundred eighty-nine".