54185443 has 8 divisors (see below), whose sum is σ = 61786368. Its totient is φ = 47074944.

The previous prime is 54185431. The next prime is 54185533. The reversal of 54185443 is 34458145.

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 54185443 - 2²⁵ = 20631011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54185399 and 54185408.

It is not an unprimeable number, because it can be changed into a prime (54180443) 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, 122371 + ... + 122812.

It is an arithmetic number, because the mean of its divisors is an integer number (7723296).

Almost surely, 2^54185443 is an apocalyptic number.

54185443 is a deficient number, since it is larger than the sum of its proper divisors (7600925).

54185443 is a wasteful number, since it uses less digits than its factorization.

54185443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245213.

The product of its digits is 38400, while the sum is 34.

The square root of 54185443 is about 7361.0762120766. The cubic root of 54185443 is about 378.4084938468.

It can be divided in two parts, 5 and 4185443, that multiplied together give a triangular number (20927215 = T₆₄₆₉).

The spelling of 54185443 in words is "fifty-four million, one hundred eighty-five thousand, four hundred forty-three".