554405554 has 4 divisors (see below), whose sum is σ = 831608334. Its totient is φ = 277202776.

The previous prime is 554405549. The next prime is 554405563. The reversal of 554405554 is 455504455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 389154529 + 165251025 = 19727^2 + 12855^2 .

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, 138601387 + ... + 138601390.

Almost surely, 2^554405554 is an apocalyptic number.

554405554 is a deficient number, since it is larger than the sum of its proper divisors (277202780).

554405554 is a wasteful number, since it uses less digits than its factorization.

554405554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277202779.

The product of its (nonzero) digits is 200000, while the sum is 37.

The square root of 554405554 is about 23545.8181849771. The cubic root of 554405554 is about 821.5030700595.

The spelling of 554405554 in words is "five hundred fifty-four million, four hundred five thousand, five hundred fifty-four".