54456905 has 8 divisors (see below), whose sum is σ = 66243912. Its totient is φ = 42968448.

The previous prime is 54456889. The next prime is 54456911. The reversal of 54456905 is 50965445.

It can be written as a sum of positive squares in 4 ways, for example, as 51529 + 54405376 = 227^2 + 7376^2 .

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 54456905 - 2⁴ = 54456889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74234 + ... + 74963.

It is an arithmetic number, because the mean of its divisors is an integer number (8280489).

Almost surely, 2^54456905 is an apocalyptic number.

It is an amenable number.

54456905 is a deficient number, since it is larger than the sum of its proper divisors (11787007).

54456905 is a wasteful number, since it uses less digits than its factorization.

54456905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149275.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 54456905 is about 7379.4921912012. The cubic root of 54456905 is about 379.0393672137.

The spelling of 54456905 in words is "fifty-four million, four hundred fifty-six thousand, nine hundred five".