549554767455945 has 16 divisors (see below), whose sum is σ = 887993446030272. Its totient is φ = 290193936609600.

The previous prime is 549554767455929. The next prime is 549554767455973.

549554767455945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 549554767455945 - 2⁴ = 549554767455929 is a prime.

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, 181371208867 + ... + 181371211896.

It is an arithmetic number, because the mean of its divisors is an integer number (55499590376892).

Almost surely, 2^{549554767455945} is an apocalyptic number.

It is an amenable number.

549554767455945 is a deficient number, since it is larger than the sum of its proper divisors (338438678574327).

549554767455945 is a wasteful number, since it uses less digits than its factorization.

549554767455945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362742420872.

The product of its digits is 95256000000, while the sum is 84.

The spelling of 549554767455945 in words is "five hundred forty-nine trillion, five hundred fifty-four billion, seven hundred sixty-seven million, four hundred fifty-five thousand, nine hundred forty-five".