255550105 has 8 divisors (see below), whose sum is σ = 307370952. Its totient is φ = 203966208.

The previous prime is 255550093. The next prime is 255550109. The reversal of 255550105 is 501055552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 732736 + 254817369 = 856^2 + 15963^2 .

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 255550105 - 2¹⁵ = 255517337 is a prime.

It is a super-2 number, since 2×255550105² = 130611712331022050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255550109) 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, 56854 + ... + 61183.

It is an arithmetic number, because the mean of its divisors is an integer number (38421369).

Almost surely, 2^255550105 is an apocalyptic number.

It is an amenable number.

255550105 is a deficient number, since it is larger than the sum of its proper divisors (51820847).

255550105 is a wasteful number, since it uses less digits than its factorization.

255550105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118475.

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 255550105 is about 15985.9345988904. The cubic root of 255550105 is about 634.5882423691.

The spelling of 255550105 in words is "two hundred fifty-five million, five hundred fifty thousand, one hundred five".