553340405 has 8 divisors (see below), whose sum is σ = 676537272. Its totient is φ = 434319808.

The previous prime is 553340393. The next prime is 553340413. The reversal of 553340405 is 504043355.

It can be written as a sum of positive squares in 4 ways, for example, as 66961489 + 486378916 = 8183^2 + 22054^2 .

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 553340405 - 2⁶ = 553340341 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, 1043774 + ... + 1044303.

It is an arithmetic number, because the mean of its divisors is an integer number (84567159).

Almost surely, 2^553340405 is an apocalyptic number.

It is an amenable number.

553340405 is a deficient number, since it is larger than the sum of its proper divisors (123196867).

553340405 is a wasteful number, since it uses less digits than its factorization.

553340405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088135.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 553340405 is about 23523.1886656550. The cubic root of 553340405 is about 820.9766298365.

The spelling of 553340405 in words is "five hundred fifty-three million, three hundred forty thousand, four hundred five".