554403969 has 24 divisors (see below), whose sum is σ = 944732672. Its totient is φ = 306581760.

The previous prime is 554403953. The next prime is 554403973. The reversal of 554403969 is 969304455.

554403969 is a `hidden beast` number, since 554 + 4 + 0 + 3 + 96 + 9 = 666.

It is not a de Polignac number, because 554403969 - 2⁴ = 554403953 is a prime.

It is a super-2 number, since 2×554403969² = 614727521685905922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (554403919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139984 + ... + 143889.

Almost surely, 2^554403969 is an apocalyptic number.

It is an amenable number.

554403969 is a deficient number, since it is larger than the sum of its proper divisors (390328703).

554403969 is a wasteful number, since it uses less digits than its factorization.

554403969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283917 (or 283914 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 554403969 is about 23545.7845271717. The cubic root of 554403969 is about 821.5022871888.

The spelling of 554403969 in words is "five hundred fifty-four million, four hundred three thousand, nine hundred sixty-nine".