54859489 has 2 divisors, whose sum is σ = 54859490. Its totient is φ = 54859488.

The previous prime is 54859457. The next prime is 54859513. The reversal of 54859489 is 98495845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36300625 + 18558864 = 6025^2 + 4308^2 .

It is a cyclic number.

It is not a de Polignac number, because 54859489 - 2⁵ = 54859457 is a prime.

It is a super-2 number, since 2×54859489² = 6019127066682242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54859589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27429744 + 27429745.

It is an arithmetic number, because the mean of its divisors is an integer number (27429745).

Almost surely, 2^54859489 is an apocalyptic number.

It is an amenable number.

54859489 is a deficient number, since it is larger than the sum of its proper divisors (1).

54859489 is an equidigital number, since it uses as much as digits as its factorization.

54859489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 52.

The square root of 54859489 is about 7406.7191792318. The cubic root of 54859489 is about 379.9711173800.

The spelling of 54859489 in words is "fifty-four million, eight hundred fifty-nine thousand, four hundred eighty-nine".