2255917512 has 32 divisors (see below), whose sum is σ = 5642762400. Its totient is φ = 751576704.

The previous prime is 2255917427. The next prime is 2255917513. The reversal of 2255917512 is 2157195522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2255917513) 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, 23748 + ... + 71244.

It is an arithmetic number, because the mean of its divisors is an integer number (176336325).

Almost surely, 2^2255917512 is an apocalyptic number.

It is a pronic number, being equal to 47496×47497.

It is an amenable number.

2255917512 is an abundant number, since it is smaller than the sum of its proper divisors (3386844888).

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

2255917512 is a wasteful number, since it uses less digits than its factorization.

2255917512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49485 (or 49481 counting only the distinct ones).

The product of its digits is 63000, while the sum is 39.

The square root of 2255917512 is about 47496.4999973682. The cubic root of 2255917512 is about 1311.5184521318.

The spelling of 2255917512 in words is "two billion, two hundred fifty-five million, nine hundred seventeen thousand, five hundred twelve".