54889469 has 2 divisors, whose sum is σ = 54889470. Its totient is φ = 54889468.

The previous prime is 54889453. The next prime is 54889493. The reversal of 54889469 is 96498845.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51696100 + 3193369 = 7190^2 + 1787^2 .

It is a cyclic number.

It is not a de Polignac number, because 54889469 - 2⁴ = 54889453 is a prime.

It is a super-2 number, since 2×54889469² = 6025707614203922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54889469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54889369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27444734 + 27444735.

It is an arithmetic number, because the mean of its divisors is an integer number (27444735).

Almost surely, 2^54889469 is an apocalyptic number.

It is an amenable number.

54889469 is a deficient number, since it is larger than the sum of its proper divisors (1).

54889469 is an equidigital number, since it uses as much as digits as its factorization.

54889469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 53.

The square root of 54889469 is about 7408.7427408434. The cubic root of 54889469 is about 380.0403212062.

The spelling of 54889469 in words is "fifty-four million, eight hundred eighty-nine thousand, four hundred sixty-nine".