550135043565 has 32 divisors (see below), whose sum is σ = 891229893120. Its totient is φ = 289737327936.

The previous prime is 550135043539. The next prime is 550135043573. The reversal of 550135043565 is 565340531055.

It is not a de Polignac number, because 550135043565 - 2⁶ = 550135043501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2642446 + ... + 2843024.

It is an arithmetic number, because the mean of its divisors is an integer number (27850934160).

Almost surely, 2^550135043565 is an apocalyptic number.

It is an amenable number.

550135043565 is a deficient number, since it is larger than the sum of its proper divisors (341094849555).

550135043565 is a wasteful number, since it uses less digits than its factorization.

550135043565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202873.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 550135043565 in words is "five hundred fifty billion, one hundred thirty-five million, forty-three thousand, five hundred sixty-five".