553958605 has 4 divisors (see below), whose sum is σ = 664750332. Its totient is φ = 443166880.

The previous prime is 553958599. The next prime is 553958627. The reversal of 553958605 is 506859355.

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

It can be written as a sum of positive squares in 2 ways, for example, as 158306724 + 395651881 = 12582^2 + 19891^2 .

It is not a de Polignac number, because 553958605 - 2⁷ = 553958477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55395856 + ... + 55395865.

It is an arithmetic number, because the mean of its divisors is an integer number (166187583).

Almost surely, 2^553958605 is an apocalyptic number.

It is an amenable number.

553958605 is a deficient number, since it is larger than the sum of its proper divisors (110791727).

553958605 is a wasteful number, since it uses less digits than its factorization.

553958605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110791726.

The product of its (nonzero) digits is 810000, while the sum is 46.

The square root of 553958605 is about 23536.3252229400. The cubic root of 553958605 is about 821.2822517523.

It can be divided in two parts, 55395 and 8605, that added together give a cube (64000 = 40³).

The spelling of 553958605 in words is "five hundred fifty-three million, nine hundred fifty-eight thousand, six hundred five".