553220261 has 8 divisors (see below), whose sum is σ = 606151200. Its totient is φ = 500729040.

The previous prime is 553220251. The next prime is 553220287. The reversal of 553220261 is 162022355.

553220261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 553220261 - 2¹⁰ = 553219237 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 553220261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553220251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107291 + ... + 112328.

It is an arithmetic number, because the mean of its divisors is an integer number (75768900).

Almost surely, 2^553220261 is an apocalyptic number.

It is an amenable number.

553220261 is a deficient number, since it is larger than the sum of its proper divisors (52930939).

553220261 is a wasteful number, since it uses less digits than its factorization.

553220261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219859.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 553220261 is about 23520.6347916037. The cubic root of 553220261 is about 820.9172073695.

The spelling of 553220261 in words is "five hundred fifty-three million, two hundred twenty thousand, two hundred sixty-one".