2258563553 has 8 divisors (see below), whose sum is σ = 2274746760. Its totient is φ = 2242437120.

The previous prime is 2258563537. The next prime is 2258563561. The reversal of 2258563553 is 3553658522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 542284369 + 1716279184 = 23287^2 + 41428^2 .

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 2258563553 - 2⁴ = 2258563537 is a prime.

It is a super-2 number, since 2×2258563553² = 10202218645879967618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2258563523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67313 + ... + 95121.

It is an arithmetic number, because the mean of its divisors is an integer number (284343345).

Almost surely, 2^2258563553 is an apocalyptic number.

It is an amenable number.

2258563553 is a deficient number, since it is larger than the sum of its proper divisors (16183207).

2258563553 is a wasteful number, since it uses less digits than its factorization.

2258563553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28387.

The product of its digits is 1080000, while the sum is 44.

The square root of 2258563553 is about 47524.3469497478. The cubic root of 2258563553 is about 1312.0310263784.

The spelling of 2258563553 in words is "two billion, two hundred fifty-eight million, five hundred sixty-three thousand, five hundred fifty-three".