54661205 has 8 divisors (see below), whose sum is σ = 69451992. Its totient is φ = 41156608.

The previous prime is 54661193. The next prime is 54661223. The reversal of 54661205 is 50216645.

It can be written as a sum of positive squares in 4 ways, for example, as 16826404 + 37834801 = 4102^2 + 6151^2 .

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 54661205 - 2¹⁶ = 54595669 is a prime.

It is a Duffinian number.

It is a congruent 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, 321452 + ... + 321621.

It is an arithmetic number, because the mean of its divisors is an integer number (8681499).

Almost surely, 2^54661205 is an apocalyptic number.

It is an amenable number.

54661205 is a deficient number, since it is larger than the sum of its proper divisors (14790787).

54661205 is a wasteful number, since it uses less digits than its factorization.

54661205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643095.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 54661205 is about 7393.3216486232. The cubic root of 54661205 is about 379.5127758404.

The spelling of 54661205 in words is "fifty-four million, six hundred sixty-one thousand, two hundred five".