2551566223 has 8 divisors (see below), whose sum is σ = 2571319296. Its totient is φ = 2531887800.

The previous prime is 2551566217. The next prime is 2551566229. The reversal of 2551566223 is 3226651552.

It is an interprime number because it is at equal distance from previous prime (2551566217) and next prime (2551566229).

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 2551566223 - 2⁹ = 2551565711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551566229) 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, 50958 + ... + 87748.

It is an arithmetic number, because the mean of its divisors is an integer number (321414912).

Almost surely, 2^2551566223 is an apocalyptic number.

2551566223 is a deficient number, since it is larger than the sum of its proper divisors (19753073).

2551566223 is a wasteful number, since it uses less digits than its factorization.

2551566223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37325.

The product of its digits is 108000, while the sum is 37.

The square root of 2551566223 is about 50513.0302298328. The cubic root of 2551566223 is about 1366.4768592307.

The spelling of 2551566223 in words is "two billion, five hundred fifty-one million, five hundred sixty-six thousand, two hundred twenty-three".