54550889 has 4 divisors (see below), whose sum is σ = 54967440. Its totient is φ = 54134340.

The previous prime is 54550883. The next prime is 54550891. The reversal of 54550889 is 98805545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98805545 = 5 ⋅19761109.

It is a cyclic number.

It is not a de Polignac number, because 54550889 - 2²⁰ = 53502313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54550883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208079 + ... + 208340.

It is an arithmetic number, because the mean of its divisors is an integer number (13741860).

Almost surely, 2^54550889 is an apocalyptic number.

It is an amenable number.

54550889 is a deficient number, since it is larger than the sum of its proper divisors (416551).

54550889 is a wasteful number, since it uses less digits than its factorization.

54550889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416550.

The product of its (nonzero) digits is 288000, while the sum is 44.

The square root of 54550889 is about 7385.8573639084. The cubic root of 54550889 is about 379.2572958794.

The spelling of 54550889 in words is "fifty-four million, five hundred fifty thousand, eight hundred eighty-nine".