54249397225 has 27 divisors (see below), whose sum is σ = 69191435397. Its totient is φ = 42193018080.

The previous prime is 54249397183. The next prime is 54249397229. The reversal of 54249397225 is 52279394245.

The square root of 54249397225 is 232915.

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

It can be written as a sum of positive squares in 4 ways, for example, as 5149928169 + 49099469056 = 71763^2 + 221584^2 .

It is not a de Polignac number, because 54249397225 - 2⁹ = 54249396713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54249397229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 43088646 + ... + 43089904.

Almost surely, 2^54249397225 is an apocalyptic number.

54249397225 is the 232915-th square number.

54249397225 is the 116458-th centered octagonal number.

It is an amenable number.

54249397225 is a deficient number, since it is larger than the sum of its proper divisors (14942038172).

54249397225 is an frugal number, since it uses more digits than its factorization.

54249397225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 1301 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 52.

The spelling of 54249397225 in words is "fifty-four billion, two hundred forty-nine million, three hundred ninety-seven thousand, two hundred twenty-five".