54705409 has 8 divisors (see below), whose sum is σ = 59833728. Its totient is φ = 49602960.

The previous prime is 54705407. The next prime is 54705437. The reversal of 54705409 is 90450745.

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

It is not a de Polignac number, because 54705409 - 2¹ = 54705407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54705407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897 + ... + 10630.

It is an arithmetic number, because the mean of its divisors is an integer number (7479216).

Almost surely, 2^54705409 is an apocalyptic number.

It is an amenable number.

54705409 is a deficient number, since it is larger than the sum of its proper divisors (5128319).

54705409 is a wasteful number, since it uses less digits than its factorization.

54705409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 54705409 is about 7396.3104991611. The cubic root of 54705409 is about 379.6150510743.

The spelling of 54705409 in words is "fifty-four million, seven hundred five thousand, four hundred nine".