553212545 has 4 divisors (see below), whose sum is σ = 663855060. Its totient is φ = 442570032.

The previous prime is 553212533. The next prime is 553212557. The reversal of 553212545 is 545212355.

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

It is an interprime number because it is at equal distance from previous prime (553212533) and next prime (553212557).

It can be written as a sum of positive squares in 2 ways, for example, as 430645504 + 122567041 = 20752^2 + 11071^2 .

It is a cyclic number.

It is not a de Polignac number, because 553212545 - 2⁴ = 553212529 is a prime.

It is a Curzon 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, 55321250 + ... + 55321259.

It is an arithmetic number, because the mean of its divisors is an integer number (165963765).

Almost surely, 2^553212545 is an apocalyptic number.

It is an amenable number.

553212545 is a deficient number, since it is larger than the sum of its proper divisors (110642515).

553212545 is a wasteful number, since it uses less digits than its factorization.

553212545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110642514.

The product of its digits is 30000, while the sum is 32.

The square root of 553212545 is about 23520.4707648465. The cubic root of 553212545 is about 820.9133907904.

The spelling of 553212545 in words is "five hundred fifty-three million, two hundred twelve thousand, five hundred forty-five".