55184439 has 8 divisors (see below), whose sum is σ = 75144960. Its totient is φ = 36006776.

The previous prime is 55184399. The next prime is 55184449. The reversal of 55184439 is 93448155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55184439 - 2¹² = 55180343 is a prime.

It is a super-3 number, since 3×55184439³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55184397 and 55184406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55184449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195549 + ... + 195830.

It is an arithmetic number, because the mean of its divisors is an integer number (9393120).

Almost surely, 2^55184439 is an apocalyptic number.

55184439 is a deficient number, since it is larger than the sum of its proper divisors (19960521).

55184439 is a wasteful number, since it uses less digits than its factorization.

55184439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391429.

The product of its digits is 86400, while the sum is 39.

The square root of 55184439 is about 7428.6229544916. The cubic root of 55184439 is about 380.7198704147.

The spelling of 55184439 in words is "fifty-five million, one hundred eighty-four thousand, four hundred thirty-nine".