42655759 has 2 divisors, whose sum is σ = 42655760. Its totient is φ = 42655758.

The previous prime is 42655757. The next prime is 42655787. The reversal of 42655759 is 95755624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42655759 - 2¹ = 42655757 is a prime.

Together with 42655757, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42655757) 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 as a sum of consecutive naturals, namely, 21327879 + 21327880.

It is an arithmetic number, because the mean of its divisors is an integer number (21327880).

Almost surely, 2^42655759 is an apocalyptic number.

42655759 is a deficient number, since it is larger than the sum of its proper divisors (1).

42655759 is an equidigital number, since it uses as much as digits as its factorization.

42655759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 43.

The square root of 42655759 is about 6531.1376497514. The cubic root of 42655759 is about 349.4024060925.

The spelling of 42655759 in words is "forty-two million, six hundred fifty-five thousand, seven hundred fifty-nine".