54206549329 has 3 divisors (see below), whose sum is σ = 54206782153. Its totient is φ = 54206316506.

The previous prime is 54206549317. The next prime is 54206549359. The reversal of 54206549329 is 92394560245.

The square root of 54206549329 is 232823.

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 is not a de Polignac number, because 54206549329 - 2²¹ = 54204452177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54206549359) 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, 116412 + ... + 349234.

Almost surely, 2^54206549329 is an apocalyptic number.

54206549329 is the 232823-rd square number.

54206549329 is the 116412-nd centered octagonal number.

It is an amenable number.

54206549329 is a deficient number, since it is larger than the sum of its proper divisors (232824).

54206549329 is an frugal number, since it uses more digits than its factorization.

54206549329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465646 (or 232823 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 49.

Multiplying 54206549329 by its sum of digits (49), we get a square (2656120917121 = 1629761²).

The spelling of 54206549329 in words is "fifty-four billion, two hundred six million, five hundred forty-nine thousand, three hundred twenty-nine".