54305821 has 8 divisors (see below), whose sum is σ = 56133504. Its totient is φ = 52506240.

The previous prime is 54305807. The next prime is 54305833. The reversal of 54305821 is 12850345.

54305821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54305821 - 2¹¹ = 54303773 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 54305821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54305221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3060 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (7016688).

Almost surely, 2^54305821 is an apocalyptic number.

It is an amenable number.

54305821 is a deficient number, since it is larger than the sum of its proper divisors (1827683).

54305821 is a wasteful number, since it uses less digits than its factorization.

54305821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 54305821 is about 7369.2483334462. The cubic root of 54305821 is about 378.6885098069.

The spelling of 54305821 in words is "fifty-four million, three hundred five thousand, eight hundred twenty-one".