556603540 has 24 divisors (see below), whose sum is σ = 1174118400. Its totient is φ = 221641248.

The previous prime is 556603517. The next prime is 556603547. The reversal of 556603540 is 45306655.

It is a junction number, because it is equal to n+sod(n) for n = 556603496 and 556603505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556603547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57940 + ... + 66859.

It is an arithmetic number, because the mean of its divisors is an integer number (48921600).

Almost surely, 2^556603540 is an apocalyptic number.

It is an amenable number.

556603540 is an abundant number, since it is smaller than the sum of its proper divisors (617514860).

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

556603540 is a wasteful number, since it uses less digits than its factorization.

556603540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125031 (or 125029 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 556603540 is about 23592.4466726111. The cubic root of 556603540 is about 822.5872771334.

The spelling of 556603540 in words is "five hundred fifty-six million, six hundred three thousand, five hundred forty".