553105405 has 8 divisors (see below), whose sum is σ = 664022232. Its totient is φ = 442287168.

The previous prime is 553105381. The next prime is 553105453. The reversal of 553105405 is 504501355.

It can be written as a sum of positive squares in 4 ways, for example, as 12124324 + 540981081 = 3482^2 + 23259^2 .

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 553105405 - 2⁵ = 553105373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11682 + ... + 35251.

It is an arithmetic number, because the mean of its divisors is an integer number (83002779).

Almost surely, 2^553105405 is an apocalyptic number.

It is an amenable number.

553105405 is a deficient number, since it is larger than the sum of its proper divisors (110916827).

553105405 is a wasteful number, since it uses less digits than its factorization.

553105405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49295.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 553105405 is about 23518.1930640940. The cubic root of 553105405 is about 820.8603922699.

It can be divided in two parts, 5 and 53105405, that multiplied together give a square (265527025 = 16295²).

The spelling of 553105405 in words is "five hundred fifty-three million, one hundred five thousand, four hundred five".