2253550729 has 4 divisors (see below), whose sum is σ = 2253793284. Its totient is φ = 2253308176.

The previous prime is 2253550723. The next prime is 2253550771. The reversal of 2253550729 is 9270553522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1202494329 + 1051056400 = 34677^2 + 32420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253550729 - 2⁵ = 2253550697 is a prime.

It is a super-3 number, since 3×2253550729³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2253550691 and 2253550700.

It is not an unprimeable number, because it can be changed into a prime (2253550723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106762 + ... + 126115.

It is an arithmetic number, because the mean of its divisors is an integer number (563448321).

Almost surely, 2^2253550729 is an apocalyptic number.

It is an amenable number.

2253550729 is a deficient number, since it is larger than the sum of its proper divisors (242555).

2253550729 is an equidigital number, since it uses as much as digits as its factorization.

2253550729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242554.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 2253550729 is about 47471.5781178591. The cubic root of 2253550729 is about 1311.0596342693.

The spelling of 2253550729 in words is "two billion, two hundred fifty-three million, five hundred fifty thousand, seven hundred twenty-nine".