553166345 has 8 divisors (see below), whose sum is σ = 663943560. Its totient is φ = 442437120.

The previous prime is 553166321. The next prime is 553166363. The reversal of 553166345 is 543661355.

It can be written as a sum of positive squares in 4 ways, for example, as 33918976 + 519247369 = 5824^2 + 22787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 553166345 - 2¹⁰ = 553165321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 553166299 and 553166308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22265 + ... + 40025.

It is an arithmetic number, because the mean of its divisors is an integer number (82992945).

Almost surely, 2^553166345 is an apocalyptic number.

It is an amenable number.

553166345 is a deficient number, since it is larger than the sum of its proper divisors (110777215).

553166345 is a wasteful number, since it uses less digits than its factorization.

553166345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23995.

The product of its digits is 162000, while the sum is 38.

The square root of 553166345 is about 23519.4886211414. The cubic root of 553166345 is about 820.8905380582.

The spelling of 553166345 in words is "five hundred fifty-three million, one hundred sixty-six thousand, three hundred forty-five".