553161533 has 4 divisors (see below), whose sum is σ = 553680060. Its totient is φ = 552643008.

The previous prime is 553161529. The next prime is 553161541. The reversal of 553161533 is 335161355.

553161533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84309124 + 468852409 = 9182^2 + 21653^2 .

It is a cyclic number.

It is not a de Polignac number, because 553161533 - 2² = 553161529 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 553161533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553161563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257660 + ... + 259797.

It is an arithmetic number, because the mean of its divisors is an integer number (138420015).

Almost surely, 2^553161533 is an apocalyptic number.

It is an amenable number.

553161533 is a deficient number, since it is larger than the sum of its proper divisors (518527).

553161533 is a wasteful number, since it uses less digits than its factorization.

553161533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518526.

The product of its digits is 20250, while the sum is 32.

The square root of 553161533 is about 23519.3863227764. The cubic root of 553161533 is about 820.8881577394. Note that the first 3 decimals are identical.

The spelling of 553161533 in words is "five hundred fifty-three million, one hundred sixty-one thousand, five hundred thirty-three".