52722433 has 4 divisors (see below), whose sum is σ = 54008388. Its totient is φ = 51436480.

The previous prime is 52722427. The next prime is 52722451. The reversal of 52722433 is 33422725.

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 29073664 + 23648769 = 5392^2 + 4863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52722433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52722403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642916 + ... + 642997.

It is an arithmetic number, because the mean of its divisors is an integer number (13502097).

Almost surely, 2^52722433 is an apocalyptic number.

It is an amenable number.

52722433 is a deficient number, since it is larger than the sum of its proper divisors (1285955).

52722433 is a wasteful number, since it uses less digits than its factorization.

52722433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285954.

The product of its digits is 10080, while the sum is 28.

The square root of 52722433 is about 7261.0214846122. The cubic root of 52722433 is about 374.9716909000.

The spelling of 52722433 in words is "fifty-two million, seven hundred twenty-two thousand, four hundred thirty-three".