554021816 has 8 divisors (see below), whose sum is σ = 1038790920. Its totient is φ = 277010904.

The previous prime is 554021803. The next prime is 554021827. The reversal of 554021816 is 618120455.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34626356 + ... + 34626371.

It is an arithmetic number, because the mean of its divisors is an integer number (129848865).

Almost surely, 2^554021816 is an apocalyptic number.

It is an amenable number.

554021816 is a deficient number, since it is larger than the sum of its proper divisors (484769104).

554021816 is a wasteful number, since it uses less digits than its factorization.

554021816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69252733 (or 69252729 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 554021816 is about 23537.6680238294. The cubic root of 554021816 is about 821.3134888023.

The spelling of 554021816 in words is "five hundred fifty-four million, twenty-one thousand, eight hundred sixteen".