5565639257046 has 40 divisors (see below), whose sum is σ = 13604895966024. Its totient is φ = 1686557350080.

The previous prime is 5565639257041. The next prime is 5565639257083. The reversal of 5565639257046 is 6407529365655.

It is a happy number.

5565639257046 is a `hidden beast` number, since 5 + 5 + 6 + 56 + 3 + 9 + 2 + 570 + 4 + 6 = 666.

It is a super-2 number, since 2×5565639257046² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565639257041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1561625395 + ... + 1561628958.

Almost surely, 2^{5565639257046} is an apocalyptic number.

5565639257046 is an abundant number, since it is smaller than the sum of its proper divisors (8039256708978).

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

5565639257046 is a wasteful number, since it uses less digits than its factorization.

5565639257046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123254378 (or 3123254369 counting only the distinct ones).

The product of its (nonzero) digits is 204120000, while the sum is 63.

The spelling of 5565639257046 in words is "five trillion, five hundred sixty-five billion, six hundred thirty-nine million, two hundred fifty-seven thousand, forty-six".