550120440132455 has 32 divisors (see below), whose sum is σ = 686444770851840. Its totient is φ = 422721802581120.

The previous prime is 550120440132409. The next prime is 550120440132469. The reversal of 550120440132455 is 554231044021055.

It is a happy number.

It is not a de Polignac number, because 550120440132455 - 2³⁶ = 550051720655719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66039692 + ... + 73901838.

It is an arithmetic number, because the mean of its divisors is an integer number (21451399089120).

Almost surely, 2^{550120440132455} is an apocalyptic number.

550120440132455 is a deficient number, since it is larger than the sum of its proper divisors (136324330719385).

550120440132455 is a wasteful number, since it uses less digits than its factorization.

550120440132455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864679.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 550120440132455 in words is "five hundred fifty trillion, one hundred twenty billion, four hundred forty million, one hundred thirty-two thousand, four hundred fifty-five".