554413821 has 16 divisors (see below), whose sum is σ = 803132736. Its totient is φ = 338155776.

The previous prime is 554413819. The next prime is 554413829. The reversal of 554413821 is 128314455.

It is not a de Polignac number, because 554413821 - 2¹ = 554413819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554413829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58495 + ... + 67308.

It is an arithmetic number, because the mean of its divisors is an integer number (50195796).

Almost surely, 2^554413821 is an apocalyptic number.

It is an amenable number.

554413821 is a deficient number, since it is larger than the sum of its proper divisors (248718915).

554413821 is a wasteful number, since it uses less digits than its factorization.

554413821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125932.

The product of its digits is 19200, while the sum is 33.

The square root of 554413821 is about 23545.9937356655. The cubic root of 554413821 is about 821.5071533111.

The spelling of 554413821 in words is "five hundred fifty-four million, four hundred thirteen thousand, eight hundred twenty-one".