52371633 has 4 divisors (see below), whose sum is σ = 69828848. Its totient is φ = 34914420.

The previous prime is 52371629. The next prime is 52371653. The reversal of 52371633 is 33617325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52371633 - 2² = 52371629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52371633.

It is not an unprimeable number, because it can be changed into a prime (52371653) 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, 8728603 + ... + 8728608.

It is an arithmetic number, because the mean of its divisors is an integer number (17457212).

Almost surely, 2^52371633 is an apocalyptic number.

It is an amenable number.

52371633 is a deficient number, since it is larger than the sum of its proper divisors (17457215).

52371633 is a wasteful number, since it uses less digits than its factorization.

52371633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17457214.

The product of its digits is 11340, while the sum is 30.

The square root of 52371633 is about 7236.8247871563. The cubic root of 52371633 is about 374.1381880421.

Adding to 52371633 its reverse (33617325), we get a palindrome (85988958).

The spelling of 52371633 in words is "fifty-two million, three hundred seventy-one thousand, six hundred thirty-three".