550036409 has 8 divisors (see below), whose sum is σ = 602387520. Its totient is φ = 499119696.

The previous prime is 550036393. The next prime is 550036439. The reversal of 550036409 is 904630055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550036409 - 2⁴ = 550036393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550036439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357797 + ... + 359330.

It is an arithmetic number, because the mean of its divisors is an integer number (75298440).

Almost surely, 2^550036409 is an apocalyptic number.

550036409 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

550036409 is a deficient number, since it is larger than the sum of its proper divisors (52351111).

550036409 is a wasteful number, since it uses less digits than its factorization.

550036409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717199.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 550036409 is about 23452.8550287593. The cubic root of 550036409 is about 819.3393493945.

The spelling of 550036409 in words is "five hundred fifty million, thirty-six thousand, four hundred nine".