42465755 has 4 divisors (see below), whose sum is σ = 50958912. Its totient is φ = 33972600.

The previous prime is 42465749. The next prime is 42465757. The reversal of 42465755 is 55756424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42465755 - 2¹² = 42461659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42465757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4246571 + ... + 4246580.

It is an arithmetic number, because the mean of its divisors is an integer number (12739728).

Almost surely, 2^42465755 is an apocalyptic number.

42465755 is a deficient number, since it is larger than the sum of its proper divisors (8493157).

42465755 is an equidigital number, since it uses as much as digits as its factorization.

42465755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8493156.

The product of its digits is 168000, while the sum is 38.

The square root of 42465755 is about 6516.5754043055. The cubic root of 42465755 is about 348.8828461493.

It can be divided in two parts, 4246 and 5755, that added together give a palindrome (10001).

The spelling of 42465755 in words is "forty-two million, four hundred sixty-five thousand, seven hundred fifty-five".