54576902689 has 3 divisors (see below), whose sum is σ = 54577136307. Its totient is φ = 54576669072.

The previous prime is 54576902687. The next prime is 54576902707. The reversal of 54576902689 is 98620967545.

The square root of 54576902689 is 233617.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 25810029025 + 28766873664 = 160655^2 + 169608^2 .

It is not a de Polignac number, because 54576902689 - 2¹ = 54576902687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54576902687) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 116809 + ... + 350425.

It is an arithmetic number, because the mean of its divisors is an integer number (18192378769).

Almost surely, 2^54576902689 is an apocalyptic number.

54576902689 is the 233617-th square number.

54576902689 is the 116809-th centered octagonal number.

It is an amenable number.

54576902689 is a deficient number, since it is larger than the sum of its proper divisors (233618).

54576902689 is an frugal number, since it uses more digits than its factorization.

54576902689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467234 (or 233617 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 54576902689 in words is "fifty-four billion, five hundred seventy-six million, nine hundred two thousand, six hundred eighty-nine".