54893889 has 16 divisors (see below), whose sum is σ = 82088640. Its totient is φ = 36252000.

The previous prime is 54893887. The next prime is 54893911. The reversal of 54893889 is 98839845.

It is a happy number.

54893889 is a `hidden beast` number, since 548 + 93 + 8 + 8 + 9 = 666.

It is not a de Polignac number, because 54893889 - 2¹ = 54893887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54893887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6612 + ... + 12389.

It is an arithmetic number, because the mean of its divisors is an integer number (5130540).

Almost surely, 2^54893889 is an apocalyptic number.

It is an amenable number.

54893889 is a deficient number, since it is larger than the sum of its proper divisors (27194751).

54893889 is a wasteful number, since it uses less digits than its factorization.

54893889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19117 (or 19111 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 54893889 is about 7409.0410310647. The cubic root of 54893889 is about 380.0505219069.

The spelling of 54893889 in words is "fifty-four million, eight hundred ninety-three thousand, eight hundred eighty-nine".