54410821 has 4 divisors (see below), whose sum is σ = 54949644. Its totient is φ = 53872000.

The previous prime is 54410789. The next prime is 54410827. The reversal of 54410821 is 12801445.

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 45077796 + 9333025 = 6714^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 54410821 - 2⁵ = 54410789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54410827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269260 + ... + 269461.

It is an arithmetic number, because the mean of its divisors is an integer number (13737411).

Almost surely, 2^54410821 is an apocalyptic number.

It is an amenable number.

54410821 is a deficient number, since it is larger than the sum of its proper divisors (538823).

54410821 is a wasteful number, since it uses less digits than its factorization.

54410821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538822.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 54410821 is about 7376.3690932599. The cubic root of 54410821 is about 378.9324167126.

The spelling of 54410821 in words is "fifty-four million, four hundred ten thousand, eight hundred twenty-one".