54997285225 has 81 divisors (see below), whose sum is σ = 75707002191. Its totient is φ = 39623654400.

The previous prime is 54997285177. The next prime is 54997285229. The reversal of 54997285225 is 52258279945.

The square root of 54997285225 is 234515.

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

It can be written as a sum of positive squares in 13 ways, for example, as 37095915609 + 17901369616 = 192603^2 + 133796^2 .

It is not a de Polignac number, because 54997285225 - 2¹¹ = 54997283177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54997285225.

It is not an unprimeable number, because it can be changed into a prime (54997285229) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 617946981 + ... + 617947069.

Almost surely, 2^54997285225 is an apocalyptic number.

54997285225 is the 234515-th square number.

54997285225 is the 117258-th centered octagonal number.

It is an amenable number.

54997285225 is a deficient number, since it is larger than the sum of its proper divisors (20709716966).

54997285225 is an equidigital number, since it uses as much as digits as its factorization.

54997285225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 142 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 58.

The spelling of 54997285225 in words is "fifty-four billion, nine hundred ninety-seven million, two hundred eighty-five thousand, two hundred twenty-five".