5565981802 has 16 divisors (see below), whose sum is σ = 8375792040. Its totient is φ = 2774066368.

The previous prime is 5565981797. The next prime is 5565981851. The reversal of 5565981802 is 2081895655.

It can be written as a sum of positive squares in 4 ways, for example, as 3056873521 + 2509108281 = 55289^2 + 50091^2 .

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, 884724 + ... + 890992.

Almost surely, 2^5565981802 is an apocalyptic number.

5565981802 is a deficient number, since it is larger than the sum of its proper divisors (2809810238).

5565981802 is a wasteful number, since it uses less digits than its factorization.

5565981802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625.

The product of its (nonzero) digits is 864000, while the sum is 49.

The square root of 5565981802 is about 74605.5078529729. The cubic root of 5565981802 is about 1772.2048769309.

The spelling of 5565981802 in words is "five billion, five hundred sixty-five million, nine hundred eighty-one thousand, eight hundred two".