550661936547 has 8 divisors (see below), whose sum is σ = 735534079056. Its totient is φ = 366448875872.

The previous prime is 550661936537. The next prime is 550661936549. The reversal of 550661936547 is 745639166055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550661936547 - 2⁶ = 550661936483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550661936549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164768508 + ... + 164771849.

It is an arithmetic number, because the mean of its divisors is an integer number (91941759882).

Almost surely, 2^550661936547 is an apocalyptic number.

550661936547 is a deficient number, since it is larger than the sum of its proper divisors (184872142509).

550661936547 is a wasteful number, since it uses less digits than its factorization.

550661936547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329540917.

The product of its (nonzero) digits is 20412000, while the sum is 57.

The spelling of 550661936547 in words is "five hundred fifty billion, six hundred sixty-one million, nine hundred thirty-six thousand, five hundred forty-seven".