54972898369 has 3 divisors (see below), whose sum is σ = 54973132833. Its totient is φ = 54972663906.

The previous prime is 54972898361. The next prime is 54972898381. The reversal of 54972898369 is 96389827945.

The square root of 54972898369 is 234463.

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 54972898369 - 2³ = 54972898361 is a prime.

It is a super-2 number, since 2×54972898369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54972898298 and 54972898307.

It is not an unprimeable number, because it can be changed into a prime (54972898361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 117232 + ... + 351694.

It is an arithmetic number, because the mean of its divisors is an integer number (18324377611).

Almost surely, 2^54972898369 is an apocalyptic number.

54972898369 is the 234463-rd square number.

54972898369 is the 117232-nd centered octagonal number.

It is an amenable number.

54972898369 is a deficient number, since it is larger than the sum of its proper divisors (234464).

54972898369 is an frugal number, since it uses more digits than its factorization.

54972898369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468926 (or 234463 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 70.

The spelling of 54972898369 in words is "fifty-four billion, nine hundred seventy-two million, eight hundred ninety-eight thousand, three hundred sixty-nine".