553980394 has 16 divisors (see below), whose sum is σ = 959838336. Its totient is φ = 236996800.

The previous prime is 553980389. The next prime is 553980421. The reversal of 553980394 is 493089355.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740242 + ... + 740989.

It is an arithmetic number, because the mean of its divisors is an integer number (59989896).

Almost surely, 2^553980394 is an apocalyptic number.

553980394 is a deficient number, since it is larger than the sum of its proper divisors (405857942).

553980394 is a wasteful number, since it uses less digits than its factorization.

553980394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481261.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 553980394 is about 23536.7880986340. The cubic root of 553980394 is about 821.2930195149.

The spelling of 553980394 in words is "five hundred fifty-three million, nine hundred eighty thousand, three hundred ninety-four".