550355040366 has 32 divisors (see below), whose sum is σ = 1115958636288. Its totient is φ = 180911021760.

The previous prime is 550355040359. The next prime is 550355040371. The reversal of 550355040366 is 663040553055.

It is a super-2 number, since 2×550355040366² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2881945 + ... + 3066971.

It is an arithmetic number, because the mean of its divisors is an integer number (34873707384).

Almost surely, 2^550355040366 is an apocalyptic number.

550355040366 is an abundant number, since it is smaller than the sum of its proper divisors (565603595922).

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

550355040366 is a wasteful number, since it uses less digits than its factorization.

550355040366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191896.

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 550355040366 in words is "five hundred fifty billion, three hundred fifty-five million, forty thousand, three hundred sixty-six".