255566534 has 8 divisors (see below), whose sum is σ = 385491960. Its totient is φ = 127069216.

The previous prime is 255566533. The next prime is 255566537. The reversal of 255566534 is 435665552.

255566534 is digitally balanced in base 3, 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 junction number, because it is equal to n+sod(n) for n = 255566491 and 255566500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255566533) 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, 356579 + ... + 357294.

It is an arithmetic number, because the mean of its divisors is an integer number (48186495).

Almost surely, 2^255566534 is an apocalyptic number.

255566534 is a deficient number, since it is larger than the sum of its proper divisors (129925426).

255566534 is a wasteful number, since it uses less digits than its factorization.

255566534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714054.

The product of its digits is 540000, while the sum is 41.

The square root of 255566534 is about 15986.4484486080. The cubic root of 255566534 is about 634.6018410419.

The spelling of 255566534 in words is "two hundred fifty-five million, five hundred sixty-six thousand, five hundred thirty-four".