54983905 has 4 divisors (see below), whose sum is σ = 65980692. Its totient is φ = 43987120.

The previous prime is 54983861. The next prime is 54983923. The reversal of 54983905 is 50938945.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34117281 + 20866624 = 5841^2 + 4568^2 .

It is not a de Polignac number, because 54983905 - 2¹⁵ = 54951137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5498386 + ... + 5498395.

It is an arithmetic number, because the mean of its divisors is an integer number (16495173).

Almost surely, 2^54983905 is an apocalyptic number.

It is an amenable number.

54983905 is a deficient number, since it is larger than the sum of its proper divisors (10996787).

54983905 is a wasteful number, since it uses less digits than its factorization.

54983905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10996786.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 54983905 is about 7415.1132830187. The cubic root of 54983905 is about 380.2581463844.

The spelling of 54983905 in words is "fifty-four million, nine hundred eighty-three thousand, nine hundred five".