554986 has 4 divisors (see below), whose sum is σ = 832482. Its totient is φ = 277492.

The previous prime is 554977. The next prime is 555029. The reversal of 554986 is 689455.

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., 516961 + 38025 = 719^2 + 195^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138745 + ... + 138748.

2⁵⁵⁴⁹⁸⁶ is an apocalyptic number.

554986 is a deficient number, since it is larger than the sum of its proper divisors (277496).

554986 is a wasteful number, since it uses less digits than its factorization.

554986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277495.

The product of its digits is 43200, while the sum is 37.

The square root of 554986 is about 744.9738250435. The cubic root of 554986 is about 82.1789666428.

It can be divided in two parts, 554 and 986, that added together give a triangular number (1540 = T₅₅).

The spelling of 554986 in words is "five hundred fifty-four thousand, nine hundred eighty-six".