556325274645 has 48 divisors (see below), whose sum is σ = 1106908882560. Its totient is φ = 253199740032.

The previous prime is 556325274619. The next prime is 556325274649. The reversal of 556325274645 is 546472523655.

556325274645 is a `hidden beast` number, since 5 + 5 + 6 + 32 + 527 + 46 + 45 = 666.

It is not a de Polignac number, because 556325274645 - 2¹⁷ = 556325143573 is a prime.

It is a super-2 number, since 2×556325274645² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556325274591 and 556325274600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556325274649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3818610 + ... + 3961619.

It is an arithmetic number, because the mean of its divisors is an integer number (23060601720).

Almost surely, 2^556325274645 is an apocalyptic number.

It is an amenable number.

556325274645 is a deficient number, since it is larger than the sum of its proper divisors (550583607915).

556325274645 is a wasteful number, since it uses less digits than its factorization.

556325274645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780474 (or 7780471 counting only the distinct ones).

The product of its digits is 30240000, while the sum is 54.

The spelling of 556325274645 in words is "five hundred fifty-six billion, three hundred twenty-five million, two hundred seventy-four thousand, six hundred forty-five".