550405435 has 4 divisors (see below), whose sum is σ = 660486528. Its totient is φ = 440324344.

The previous prime is 550405409. The next prime is 550405463. The reversal of 550405435 is 534504055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550405435 - 2¹¹ = 550403387 is a prime.

It is a super-2 number, since 2×550405435² = 605892285755078450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550405397 and 550405406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55040539 + ... + 55040548.

It is an arithmetic number, because the mean of its divisors is an integer number (165121632).

Almost surely, 2^550405435 is an apocalyptic number.

550405435 is a deficient number, since it is larger than the sum of its proper divisors (110081093).

550405435 is a wasteful number, since it uses less digits than its factorization.

550405435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110081092.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 550405435 is about 23460.7211099744. The cubic root of 550405435 is about 819.5225432853.

The spelling of 550405435 in words is "five hundred fifty million, four hundred five thousand, four hundred thirty-five".