556249752 has 48 divisors (see below), whose sum is σ = 1507980240. Its totient is φ = 185235648.

The previous prime is 556249697. The next prime is 556249769. The reversal of 556249752 is 257942655.

556249752 is a `hidden beast` number, since 55 + 62 + 497 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 556249698 and 556249707.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 84898 + ... + 91214.

It is an arithmetic number, because the mean of its divisors is an integer number (31416255).

Almost surely, 2^556249752 is an apocalyptic number.

It is an amenable number.

556249752 is an abundant number, since it is smaller than the sum of its proper divisors (951730488).

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

556249752 is a wasteful number, since it uses less digits than its factorization.

556249752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552 (or 7545 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 556249752 is about 23584.9475725514. The cubic root of 556249752 is about 822.4129560544.

The spelling of 556249752 in words is "five hundred fifty-six million, two hundred forty-nine thousand, seven hundred fifty-two".