29544453225 has 81 divisors (see below), whose sum is σ = 61594600197. Its totient is φ = 13497785280.

The previous prime is 29544453217. The next prime is 29544453227. The reversal of 29544453225 is 52235444592.

The square root of 29544453225 is 171885.

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

29544453225 is a `hidden beast` number, since 2 + 9 + 54 + 44 + 532 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13795207209 + 15749246016 = 117453^2 + 125496^2 .

It is not a de Polignac number, because 29544453225 - 2³ = 29544453217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (29544453227) 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, 18047107 + ... + 18048743.

Almost surely, 2^29544453225 is an apocalyptic number.

29544453225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29544453225 is the 171885-th square number.

29544453225 is the 85943-rd centered octagonal number.

It is an amenable number.

29544453225 is an abundant number, since it is smaller than the sum of its proper divisors (32050146972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29544453225 is an equidigital number, since it uses as much as digits as its factorization.

29544453225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304 (or 1652 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 29544453225 in words is "twenty-nine billion, five hundred forty-four million, four hundred fifty-three thousand, two hundred twenty-five".