52466639 has 2 divisors, whose sum is σ = 52466640. Its totient is φ = 52466638.

The previous prime is 52466569. The next prime is 52466653. The reversal of 52466639 is 93666425.

52466639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52466639 - 2¹⁶ = 52401103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52466596 and 52466605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52466669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26233319 + 26233320.

It is an arithmetic number, because the mean of its divisors is an integer number (26233320).

Almost surely, 2^52466639 is an apocalyptic number.

52466639 is a deficient number, since it is larger than the sum of its proper divisors (1).

52466639 is an equidigital number, since it uses as much as digits as its factorization.

52466639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 52466639 is about 7243.3858795456. The cubic root of 52466639 is about 374.3642894531.

The spelling of 52466639 in words is "fifty-two million, four hundred sixty-six thousand, six hundred thirty-nine".