52231633 has 4 divisors (see below), whose sum is σ = 55304100. Its totient is φ = 49159168.

The previous prime is 52231631. The next prime is 52231649. The reversal of 52231633 is 33613225.

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 32809984 + 19421649 = 5728^2 + 4407^2 .

It is a cyclic number.

It is not a de Polignac number, because 52231633 - 2¹ = 52231631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52231598 and 52231607.

It is not an unprimeable number, because it can be changed into a prime (52231631) 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, 1536208 + ... + 1536241.

It is an arithmetic number, because the mean of its divisors is an integer number (13826025).

Almost surely, 2^52231633 is an apocalyptic number.

It is an amenable number.

52231633 is a deficient number, since it is larger than the sum of its proper divisors (3072467).

52231633 is a wasteful number, since it uses less digits than its factorization.

52231633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072466.

The product of its digits is 3240, while the sum is 25.

The square root of 52231633 is about 7227.1455637755. The cubic root of 52231633 is about 373.8045081070.

Adding to 52231633 its reverse (33613225), we get a palindrome (85844858).

The spelling of 52231633 in words is "fifty-two million, two hundred thirty-one thousand, six hundred thirty-three".