52621443 has 36 divisors (see below), whose sum is σ = 93632760. Its totient is φ = 28296576.

The previous prime is 52621441. The next prime is 52621463. The reversal of 52621443 is 34412625.

It is not a de Polignac number, because 52621443 - 2¹ = 52621441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52621441) 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 35 ways as a sum of consecutive naturals, for example, 3988 + ... + 11006.

It is an arithmetic number, because the mean of its divisors is an integer number (2600910).

Almost surely, 2^52621443 is an apocalyptic number.

52621443 is a deficient number, since it is larger than the sum of its proper divisors (41011317).

52621443 is a wasteful number, since it uses less digits than its factorization.

52621443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056 (or 7046 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 52621443 is about 7254.0638955002. The cubic root of 52621443 is about 374.7321180169.

The spelling of 52621443 in words is "fifty-two million, six hundred twenty-one thousand, four hundred forty-three".