550330321405 has 8 divisors (see below), whose sum is σ = 660420781272. Its totient is φ = 440247993408.

The previous prime is 550330321397. The next prime is 550330321423. The reversal of 550330321405 is 504123033055.

It can be written as a sum of positive squares in 4 ways, for example, as 207887666809 + 342442654596 = 455947^2 + 585186^2 .

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 550330321405 - 2³ = 550330321397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883074 + ... + 2155603.

It is an arithmetic number, because the mean of its divisors is an integer number (82552597659).

Almost surely, 2^550330321405 is an apocalyptic number.

It is an amenable number.

550330321405 is a deficient number, since it is larger than the sum of its proper divisors (110090459867).

550330321405 is a wasteful number, since it uses less digits than its factorization.

550330321405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065935.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 550330321405 in words is "five hundred fifty billion, three hundred thirty million, three hundred twenty-one thousand, four hundred five".