54943409 has 8 divisors (see below), whose sum is σ = 56689920. Its totient is φ = 53210736.

The previous prime is 54943387. The next prime is 54943411. The reversal of 54943409 is 90434945.

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

It is not a de Polignac number, because 54943409 - 2⁸ = 54943153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54943489) 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, 4922 + ... + 11580.

It is an arithmetic number, because the mean of its divisors is an integer number (7086240).

Almost surely, 2^54943409 is an apocalyptic number.

It is an amenable number.

54943409 is a deficient number, since it is larger than the sum of its proper divisors (1746511).

54943409 is a wasteful number, since it uses less digits than its factorization.

54943409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 54943409 is about 7412.3821407156. The cubic root of 54943409 is about 380.1647692654.

The spelling of 54943409 in words is "fifty-four million, nine hundred forty-three thousand, four hundred nine".