566256227550 has 48 divisors (see below), whose sum is σ = 1512339714480. Its totient is φ = 139386147840.

The previous prime is 566256227549. The next prime is 566256227587. The reversal of 566256227550 is 55722652665.

It is a super-2 number, since 2×566256227550² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 566256227493 and 566256227502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145191955 + ... + 145195854.

It is an arithmetic number, because the mean of its divisors is an integer number (31507077385).

Almost surely, 2^566256227550 is an apocalyptic number.

566256227550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

566256227550 is an abundant number, since it is smaller than the sum of its proper divisors (946083486930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566256227550 is a wasteful number, since it uses less digits than its factorization.

566256227550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290387837 (or 290387832 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 51.

The spelling of 566256227550 in words is "five hundred sixty-six billion, two hundred fifty-six million, two hundred twenty-seven thousand, five hundred fifty".