255515046 has 16 divisors (see below), whose sum is σ = 512666544. Its totient is φ = 84898944.

The previous prime is 255515033. The next prime is 255515047. The reversal of 255515046 is 640515552.

It is a junction number, because it is equal to n+sod(n) for n = 255514998 and 255515016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255515047) 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, 66151 + ... + 69906.

It is an arithmetic number, because the mean of its divisors is an integer number (32041659).

Almost surely, 2^255515046 is an apocalyptic number.

255515046 is an abundant number, since it is smaller than the sum of its proper divisors (257151498).

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

255515046 is a wasteful number, since it uses less digits than its factorization.

255515046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136375.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 255515046 is about 15984.8380035582. The cubic root of 255515046 is about 634.5592212545.

The spelling of 255515046 in words is "two hundred fifty-five million, five hundred fifteen thousand, forty-six".