255505016 has 24 divisors (see below), whose sum is σ = 518761080. Its totient is φ = 117924768.

The previous prime is 255505013. The next prime is 255505021. The reversal of 255505016 is 610505552.

It is a self number, because there is not a number n which added to its sum of digits gives 255505016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255505013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93140 + ... + 95843.

It is an arithmetic number, because the mean of its divisors is an integer number (21615045).

Almost surely, 2^255505016 is an apocalyptic number.

255505016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255505016 is an abundant number, since it is smaller than the sum of its proper divisors (263256064).

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

255505016 is a wasteful number, since it uses less digits than its factorization.

255505016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189015 (or 188998 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 255505016 is about 15984.5242656765. The cubic root of 255505016 is about 634.5509181397.

The spelling of 255505016 in words is "two hundred fifty-five million, five hundred five thousand, sixteen".