42756255 has 40 divisors (see below), whose sum is σ = 77182512. Its totient is φ = 22643712.

The previous prime is 42756253. The next prime is 42756257. The reversal of 42756255 is 55265724.

42756255 is a `hidden beast` number, since 4 + 27 + 5 + 625 + 5 = 666.

42756255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42756253) and next prime (42756257).

It is not a de Polignac number, because 42756255 - 2¹ = 42756253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42756253) 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 in 39 ways as a sum of consecutive naturals, for example, 77892 + ... + 78438.

Almost surely, 2^42756255 is an apocalyptic number.

42756255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42756255 is a deficient number, since it is larger than the sum of its proper divisors (34426257).

42756255 is a wasteful number, since it uses less digits than its factorization.

42756255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 748 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 42756255 is about 6538.8267296205. The cubic root of 42756255 is about 349.6765855976.

The spelling of 42756255 in words is "forty-two million, seven hundred fifty-six thousand, two hundred fifty-five".