556251696 has 480 divisors, whose sum is σ = 2222857728. Its totient is φ = 124968960.

The previous prime is 556251677. The next prime is 556251727. The reversal of 556251696 is 696152655.

556251696 is a `hidden beast` number, since 5 + 5 + 625 + 16 + 9 + 6 = 666.

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 95 ways as a sum of consecutive naturals, for example, 2450335 + ... + 2450561.

Almost surely, 2^556251696 is an apocalyptic number.

556251696 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556251696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111428864).

556251696 is an abundant number, since it is smaller than the sum of its proper divisors (1666606032).

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

556251696 is a wasteful number, since it uses less digits than its factorization.

556251696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 280 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 556251696 is about 23584.9887852422. The cubic root of 556251696 is about 822.4139141186.

It can be divided in two parts, 556 and 251696, that added together give a palindrome (252252).

The spelling of 556251696 in words is "five hundred fifty-six million, two hundred fifty-one thousand, six hundred ninety-six".