42898555 has 32 divisors (see below), whose sum is σ = 60853248. Its totient is φ = 28425600.

The previous prime is 42898553. The next prime is 42898567. The reversal of 42898555 is 55589824.

It is not a de Polignac number, because 42898555 - 2¹ = 42898553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42898553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151444 + ... + 151726.

It is an arithmetic number, because the mean of its divisors is an integer number (1901664).

Almost surely, 2^42898555 is an apocalyptic number.

42898555 is a deficient number, since it is larger than the sum of its proper divisors (17954693).

42898555 is a wasteful number, since it uses less digits than its factorization.

42898555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its digits is 576000, while the sum is 46.

The square root of 42898555 is about 6549.6988480387. The cubic root of 42898555 is about 350.0640835040.

The spelling of 42898555 in words is "forty-two million, eight hundred ninety-eight thousand, five hundred fifty-five".