5445253253 has 6 divisors (see below), whose sum is σ = 5985278502. Its totient is φ = 4950230120.

The previous prime is 5445253249. The next prime is 5445253273. The reversal of 5445253253 is 3523525445.

It can be written as a sum of positive squares in only one way, i.e., 3057758209 + 2387495044 = 55297^2 + 48862^2 .

It is not a de Polignac number, because 5445253253 - 2² = 5445253249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445253273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22500926 + ... + 22501167.

It is an arithmetic number, because the mean of its divisors is an integer number (997546417).

Almost surely, 2^5445253253 is an apocalyptic number.

It is an amenable number.

5445253253 is a deficient number, since it is larger than the sum of its proper divisors (540025249).

5445253253 is a wasteful number, since it uses less digits than its factorization.

5445253253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45002115 (or 45002104 counting only the distinct ones).

The product of its digits is 360000, while the sum is 38.

The square root of 5445253253 is about 73791.9592706414. The cubic root of 5445253253 is about 1759.2978058176.

Adding to 5445253253 its reverse (3523525445), we get a palindrome (8968778698).

The spelling of 5445253253 in words is "five billion, four hundred forty-five million, two hundred fifty-three thousand, two hundred fifty-three".