42857055 has 12 divisors (see below), whose sum is σ = 74285640. Its totient is φ = 22857072.

The previous prime is 42857053. The next prime is 42857077. The reversal of 42857055 is 55075824.

It is a happy number.

It is not a de Polignac number, because 42857055 - 2¹ = 42857053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42857053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476145 + ... + 476234.

It is an arithmetic number, because the mean of its divisors is an integer number (6190470).

Almost surely, 2^42857055 is an apocalyptic number.

42857055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42857055 is a deficient number, since it is larger than the sum of its proper divisors (31428585).

42857055 is a wasteful number, since it uses less digits than its factorization.

42857055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952390 (or 952387 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 42857055 is about 6546.5299968762. The cubic root of 42857055 is about 349.9511632540.

The spelling of 42857055 in words is "forty-two million, eight hundred fifty-seven thousand, fifty-five".