54621205 has 16 divisors (see below), whose sum is σ = 68770944. Its totient is φ = 41567680.

The previous prime is 54621199. The next prime is 54621211. The reversal of 54621205 is 50212645.

It is an interprime number because it is at equal distance from previous prime (54621199) and next prime (54621211).

It is not a de Polignac number, because 54621205 - 2⁵ = 54621173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54621205.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21450 + ... + 23860.

It is an arithmetic number, because the mean of its divisors is an integer number (4298184).

Almost surely, 2^54621205 is an apocalyptic number.

It is an amenable number.

54621205 is a deficient number, since it is larger than the sum of its proper divisors (14149739).

54621205 is a wasteful number, since it uses less digits than its factorization.

54621205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 54621205 is about 7390.6160095083. The cubic root of 54621205 is about 379.4201799095.

The spelling of 54621205 in words is "fifty-four million, six hundred twenty-one thousand, two hundred five".