553042505 has 4 divisors (see below), whose sum is σ = 663651012. Its totient is φ = 442434000.

The previous prime is 553042463. The next prime is 553042507. The reversal of 553042505 is 505240355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505240355 = 5 ⋅101048071.

It can be written as a sum of positive squares in 2 ways, for example, as 75707401 + 477335104 = 8701^2 + 21848^2 .

It is not a de Polignac number, because 553042505 - 2¹⁴ = 553026121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553042507) by changing a digit.

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, 55304246 + ... + 55304255.

It is an arithmetic number, because the mean of its divisors is an integer number (165912753).

Almost surely, 2^553042505 is an apocalyptic number.

It is an amenable number.

553042505 is a deficient number, since it is larger than the sum of its proper divisors (110608507).

553042505 is a wasteful number, since it uses less digits than its factorization.

553042505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110608506.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 553042505 is about 23516.8557634731. The cubic root of 553042505 is about 820.8292745869.

The spelling of 553042505 in words is "five hundred fifty-three million, forty-two thousand, five hundred five".