556007636 has 6 divisors (see below), whose sum is σ = 973013370. Its totient is φ = 278003816.

The previous prime is 556007597. The next prime is 556007657. The reversal of 556007636 is 636700655.

It can be written as a sum of positive squares in only one way, i.e., 435139600 + 120868036 = 20860^2 + 10994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 556007636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69500951 + ... + 69500958.

It is an arithmetic number, because the mean of its divisors is an integer number (162168895).

Almost surely, 2^556007636 is an apocalyptic number.

It is an amenable number.

556007636 is a deficient number, since it is larger than the sum of its proper divisors (417005734).

556007636 is a wasteful number, since it uses less digits than its factorization.

556007636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139001913 (or 139001911 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 556007636 is about 23579.8141638139. The cubic root of 556007636 is about 822.2936162366.

It can be divided in two parts, 55600 and 7636, that added together give a palindrome (63236).

The spelling of 556007636 in words is "five hundred fifty-six million, seven thousand, six hundred thirty-six".