6550497647236 has 27 divisors (see below), whose sum is σ = 11983663583031. Its totient is φ = 3132790394184.

The previous prime is 6550497647233. The next prime is 6550497647257. The reversal of 6550497647236 is 6327467940556.

The square root of 6550497647236 is 2559394.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6550497647233) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 117704305 + ... + 117759943.

Almost surely, 2^{6550497647236} is an apocalyptic number.

6550497647236 is the 2559394-th square number.

It is an amenable number.

6550497647236 is a deficient number, since it is larger than the sum of its proper divisors (5433165935795).

6550497647236 is an frugal number, since it uses more digits than its factorization.

6550497647236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111328 (or 55664 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 64.

Multiplying 6550497647236 by its sum of digits (64), we get a square (419231849423104 = 20475152²).

The spelling of 6550497647236 in words is "six trillion, five hundred fifty billion, four hundred ninety-seven million, six hundred forty-seven thousand, two hundred thirty-six".