5633255021 has 4 divisors (see below), whose sum is σ = 5710422972. Its totient is φ = 5556087072.

The previous prime is 5633255003. The next prime is 5633255083. The reversal of 5633255021 is 1205523365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1205523365 = 5 ⋅241104673.

It can be written as a sum of positive squares in 2 ways, for example, as 3387822025 + 2245432996 = 58205^2 + 47386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5633255021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5633255921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38583866 + ... + 38584011.

It is an arithmetic number, because the mean of its divisors is an integer number (1427605743).

Almost surely, 2^5633255021 is an apocalyptic number.

It is an amenable number.

5633255021 is a deficient number, since it is larger than the sum of its proper divisors (77167951).

5633255021 is an equidigital number, since it uses as much as digits as its factorization.

5633255021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77167950.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 5633255021 is about 75055.0132969144. The cubic root of 5633255021 is about 1779.3162189715.

Adding to 5633255021 its reverse (1205523365), we get a palindrome (6838778386).

The spelling of 5633255021 in words is "five billion, six hundred thirty-three million, two hundred fifty-five thousand, twenty-one".