550440424502565 has 16 divisors (see below), whose sum is σ = 880706749395456. Its totient is φ = 293567536337600.

The previous prime is 550440424502557. The next prime is 550440424502603. The reversal of 550440424502565 is 565205424044055.

It is not a de Polignac number, because 550440424502565 - 2³ = 550440424502557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36502101 + ... + 49328330.

It is an arithmetic number, because the mean of its divisors is an integer number (55044171837216).

Almost surely, 2^{550440424502565} is an apocalyptic number.

It is an amenable number.

550440424502565 is a deficient number, since it is larger than the sum of its proper divisors (330266324892891).

550440424502565 is a wasteful number, since it uses less digits than its factorization.

550440424502565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86257980.

The product of its (nonzero) digits is 19200000, while the sum is 51.

The spelling of 550440424502565 in words is "five hundred fifty trillion, four hundred forty billion, four hundred twenty-four million, five hundred two thousand, five hundred sixty-five".