554993956 has 48 divisors (see below), whose sum is σ = 1109283840. Its totient is φ = 240498720.

The previous prime is 554993947. The next prime is 554993977. The reversal of 554993956 is 659399455.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 554993897 and 554993906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382825 + ... + 384271.

It is an arithmetic number, because the mean of its divisors is an integer number (23110080).

Almost surely, 2^554993956 is an apocalyptic number.

It is an amenable number.

554993956 is a deficient number, since it is larger than the sum of its proper divisors (554289884).

554993956 is a wasteful number, since it uses less digits than its factorization.

554993956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864 (or 1862 counting only the distinct ones).

The product of its digits is 6561000, while the sum is 55.

The square root of 554993956 is about 23558.3097016743. The cubic root of 554993956 is about 821.7935933306.

The spelling of 554993956 in words is "five hundred fifty-four million, nine hundred ninety-three thousand, nine hundred fifty-six".