52244639 has 2 divisors, whose sum is σ = 52244640. Its totient is φ = 52244638.

The previous prime is 52244627. The next prime is 52244651. The reversal of 52244639 is 93644225.

It is a balanced prime because it is at equal distance from previous prime (52244627) and next prime (52244651).

It is a cyclic number.

It is not a de Polignac number, because 52244639 - 2¹² = 52240543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52244599 and 52244608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52244239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26122319 + 26122320.

It is an arithmetic number, because the mean of its divisors is an integer number (26122320).

Almost surely, 2^52244639 is an apocalyptic number.

52244639 is a deficient number, since it is larger than the sum of its proper divisors (1).

52244639 is an equidigital number, since it uses as much as digits as its factorization.

52244639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 52244639 is about 7228.0453097639. The cubic root of 52244639 is about 373.8355320777.

The spelling of 52244639 in words is "fifty-two million, two hundred forty-four thousand, six hundred thirty-nine".