55854189 has 24 divisors (see below), whose sum is σ = 85992192. Its totient is φ = 34853280.

The previous prime is 55854137. The next prime is 55854191. The reversal of 55854189 is 98145855.

It is a happy number.

It is not a de Polignac number, because 55854189 - 2¹⁶ = 55788653 is a prime.

It is a super-3 number, since 3×55854189³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55854199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6859 + ... + 12599.

It is an arithmetic number, because the mean of its divisors is an integer number (3583008).

Almost surely, 2^55854189 is an apocalyptic number.

It is an amenable number.

55854189 is a deficient number, since it is larger than the sum of its proper divisors (30138003).

55854189 is a wasteful number, since it uses less digits than its factorization.

55854189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817 (or 5814 counting only the distinct ones).

The product of its digits is 288000, while the sum is 45.

The square root of 55854189 is about 7473.5660163004. The cubic root of 55854189 is about 382.2538926902.

The spelling of 55854189 in words is "fifty-five million, eight hundred fifty-four thousand, one hundred eighty-nine".