553212005 has 4 divisors (see below), whose sum is σ = 663854412. Its totient is φ = 442569600.

The previous prime is 553212001. The next prime is 553212007. The reversal of 553212005 is 500212355.

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 205091041 + 348120964 = 14321^2 + 18658^2 .

It is not a de Polignac number, because 553212005 - 2² = 553212001 is a prime.

It is a super-2 number, since 2×553212005² = 612087044952240050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553212001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55321196 + ... + 55321205.

It is an arithmetic number, because the mean of its divisors is an integer number (165963603).

Almost surely, 2^553212005 is an apocalyptic number.

It is an amenable number.

553212005 is a deficient number, since it is larger than the sum of its proper divisors (110642407).

553212005 is a wasteful number, since it uses less digits than its factorization.

553212005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110642406.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 553212005 is about 23520.4592854817. The cubic root of 553212005 is about 820.9131236879.

The spelling of 553212005 in words is "five hundred fifty-three million, two hundred twelve thousand, five".