553501563345 has 24 divisors (see below), whose sum is σ = 992485564200. Its totient is φ = 285021494016.

The previous prime is 553501563343. The next prime is 553501563353. The reversal of 553501563345 is 543365105355.

553501563345 is a `hidden beast` number, since 5 + 5 + 3 + 5 + 0 + 1 + 5 + 633 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5900083344 + 547601480001 = 76812^2 + 740001^2 .

It is not a de Polignac number, because 553501563345 - 2¹ = 553501563343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 553501563345.

It is not an unprimeable number, because it can be changed into a prime (553501563343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212068260 + ... + 212070869.

It is an arithmetic number, because the mean of its divisors is an integer number (41353565175).

Almost surely, 2^553501563345 is an apocalyptic number.

It is an amenable number.

553501563345 is a deficient number, since it is larger than the sum of its proper divisors (438984000855).

553501563345 is a wasteful number, since it uses less digits than its factorization.

553501563345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424139169 (or 424139166 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 45.

The spelling of 553501563345 in words is "five hundred fifty-three billion, five hundred one million, five hundred sixty-three thousand, three hundred forty-five".