5561657210 has 16 divisors (see below), whose sum is σ = 10012302216. Its totient is φ = 2224369728.

The previous prime is 5561657201. The next prime is 5561657239. The reversal of 5561657210 is 127561655.

It can be written as a sum of positive squares in 4 ways, for example, as 4815110881 + 746546329 = 69391^2 + 27323^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53624 + ... + 118316.

Almost surely, 2^5561657210 is an apocalyptic number.

5561657210 is a deficient number, since it is larger than the sum of its proper divisors (4450645006).

5561657210 is a wasteful number, since it uses less digits than its factorization.

5561657210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73297.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 5561657210 is about 74576.5191598535. The cubic root of 5561657210 is about 1771.7457756094.

The spelling of 5561657210 in words is "five billion, five hundred sixty-one million, six hundred fifty-seven thousand, two hundred ten".