554450409 has 12 divisors (see below), whose sum is σ = 808221700. Its totient is φ = 366241824.

The previous prime is 554450401. The next prime is 554450423. The reversal of 554450409 is 904054455.

It can be written as a sum of positive squares in 2 ways, for example, as 425514384 + 128936025 = 20628^2 + 11355^2 .

It is not a de Polignac number, because 554450409 - 2³ = 554450401 is a prime.

It is a super-3 number, since 3×554450409³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554450401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281614 + ... + 283575.

Almost surely, 2^554450409 is an apocalyptic number.

It is an amenable number.

554450409 is a deficient number, since it is larger than the sum of its proper divisors (253771291).

554450409 is a wasteful number, since it uses less digits than its factorization.

554450409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565304 (or 565301 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 554450409 is about 23546.7706703064. The cubic root of 554450409 is about 821.5252244350.

The spelling of 554450409 in words is "five hundred fifty-four million, four hundred fifty thousand, four hundred nine".