550364334345405 has 128 divisors (see below), whose sum is σ = 1006602920064000. Its totient is φ = 285101946657792.

The previous prime is 550364334345383. The next prime is 550364334345521. The reversal of 550364334345405 is 504543433463055.

It is a happy number.

550364334345405 is a `hidden beast` number, since 5 + 5 + 0 + 3 + 64 + 3 + 3 + 4 + 34 + 540 + 5 = 666.

It is not a de Polignac number, because 550364334345405 - 2⁵ = 550364334345373 is a prime.

It is a super-2 number, since 2×550364334345405² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23750229399 + ... + 23750252571.

It is an arithmetic number, because the mean of its divisors is an integer number (7864085313000).

Almost surely, 2^{550364334345405} is an apocalyptic number.

It is an amenable number.

550364334345405 is a deficient number, since it is larger than the sum of its proper divisors (456238585718595).

550364334345405 is a wasteful number, since it uses less digits than its factorization.

550364334345405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31220 (or 31214 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 54.

The spelling of 550364334345405 in words is "five hundred fifty trillion, three hundred sixty-four billion, three hundred thirty-four million, three hundred forty-five thousand, four hundred five".