2255560731 has 48 divisors (see below), whose sum is σ = 3539090880. Its totient is φ = 1379051520.

The previous prime is 2255560717. The next prime is 2255560763. The reversal of 2255560731 is 1370655522.

2255560731 is a `hidden beast` number, since 2 + 25 + 5 + 560 + 73 + 1 = 666.

It is not a de Polignac number, because 2255560731 - 2⁶ = 2255560667 is a prime.

It is a super-2 number, since 2×2255560731² = 10175108422458508722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2255560331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 965641 + ... + 967973.

It is an arithmetic number, because the mean of its divisors is an integer number (73731060).

Almost surely, 2^2255560731 is an apocalyptic number.

2255560731 is a deficient number, since it is larger than the sum of its proper divisors (1283530149).

2255560731 is a wasteful number, since it uses less digits than its factorization.

2255560731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2513 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 2255560731 is about 47492.7439826338. The cubic root of 2255560731 is about 1311.4493081239.

The spelling of 2255560731 in words is "two billion, two hundred fifty-five million, five hundred sixty thousand, seven hundred thirty-one".