2253543456 has 24 divisors (see below), whose sum is σ = 5915551824. Its totient is φ = 751181120.

The previous prime is 2253543437. The next prime is 2253543491. The reversal of 2253543456 is 6543453522.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×2253543456³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11737110 + ... + 11737301.

It is an arithmetic number, because the mean of its divisors is an integer number (246481326).

Almost surely, 2^2253543456 is an apocalyptic number.

It is an amenable number.

2253543456 is an abundant number, since it is smaller than the sum of its proper divisors (3662008368).

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

2253543456 is a wasteful number, since it uses less digits than its factorization.

2253543456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23474424 (or 23474416 counting only the distinct ones).

The product of its digits is 432000, while the sum is 39.

The square root of 2253543456 is about 47471.5015140663. The cubic root of 2253543456 is about 1311.0582238511.

Adding to 2253543456 its reverse (6543453522), we get a palindrome (8796996978).

The spelling of 2253543456 in words is "two billion, two hundred fifty-three million, five hundred forty-three thousand, four hundred fifty-six".