54996777769945 has 12 divisors (see below), whose sum is σ = 72541204398180. Its totient is φ = 39997656559520.

The previous prime is 54996777769933. The next prime is 54996777770029.

54996777769945 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 34357229142016 + 20639548627929 = 5861504^2 + 4543077^2 .

It is not a de Polignac number, because 54996777769945 - 2⁹ = 54996777769433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45451881850 + ... + 45451883059.

It is an arithmetic number, because the mean of its divisors is an integer number (6045100366515).

Almost surely, 2^{54996777769945} is an apocalyptic number.

54996777769945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54996777769945 is a deficient number, since it is larger than the sum of its proper divisors (17544426628235).

54996777769945 is a wasteful number, since it uses less digits than its factorization.

54996777769945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90903764936 (or 90903764925 counting only the distinct ones).

The product of its digits is 226842638400, while the sum is 94.

The spelling of 54996777769945 in words is "fifty-four trillion, nine hundred ninety-six billion, seven hundred seventy-seven million, seven hundred sixty-nine thousand, nine hundred forty-five".