552145501 has 8 divisors (see below), whose sum is σ = 561107960. Its totient is φ = 543220992.

The previous prime is 552145463. The next prime is 552145507. The reversal of 552145501 is 105541255.

It can be written as a sum of positive squares in 4 ways, for example, as 187717401 + 364428100 = 13701^2 + 19090^2 .

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 552145501 - 2¹³ = 552137309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552145501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552145507) 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 7 ways as a sum of consecutive naturals, for example, 20611 + ... + 39103.

It is an arithmetic number, because the mean of its divisors is an integer number (70138495).

Almost surely, 2^552145501 is an apocalyptic number.

It is an amenable number.

552145501 is a deficient number, since it is larger than the sum of its proper divisors (8962459).

552145501 is a wasteful number, since it uses less digits than its factorization.

552145501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18975.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 552145501 is about 23497.7765118319. The cubic root of 552145501 is about 820.3852547227.

Adding to 552145501 its reverse (105541255), we get a palindrome (657686756).

It can be divided in two parts, 55 and 2145501, that added together give a triangular number (2145556 = T₂₀₇₁).

The spelling of 552145501 in words is "five hundred fifty-two million, one hundred forty-five thousand, five hundred one".