54659889 has 6 divisors (see below), whose sum is σ = 78953186. Its totient is φ = 36439920.

The previous prime is 54659861. The next prime is 54659897. The reversal of 54659889 is 98895645.

It is a happy number.

54659889 is a `hidden beast` number, since 5 + 46 + 598 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54641664 + 18225 = 7392^2 + 135^2 .

It is not a de Polignac number, because 54659889 - 2¹² = 54655793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54659819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3036652 + ... + 3036669.

Almost surely, 2^54659889 is an apocalyptic number.

It is an amenable number.

54659889 is a deficient number, since it is larger than the sum of its proper divisors (24293297).

54659889 is a wasteful number, since it uses less digits than its factorization.

54659889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073327 (or 6073324 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 54659889 is about 7393.2326488485. The cubic root of 54659889 is about 379.5097301530.

The spelling of 54659889 in words is "fifty-four million, six hundred fifty-nine thousand, eight hundred eighty-nine".