42559011 has 12 divisors (see below), whose sum is σ = 67062840. Its totient is φ = 25793280.

The previous prime is 42558983. The next prime is 42559021. The reversal of 42559011 is 11095524.

It is not a de Polignac number, because 42559011 - 2¹¹ = 42556963 is a prime.

It is a super-2 number, since 2×42559011² = 3622538834596242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42559021) 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 in 11 ways as a sum of consecutive naturals, for example, 214846 + ... + 215043.

It is an arithmetic number, because the mean of its divisors is an integer number (5588570).

Almost surely, 2^42559011 is an apocalyptic number.

42559011 is a deficient number, since it is larger than the sum of its proper divisors (24503829).

42559011 is a wasteful number, since it uses less digits than its factorization.

42559011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429906 (or 429903 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 42559011 is about 6523.7267723288. The cubic root of 42559011 is about 349.1380449676.

The spelling of 42559011 in words is "forty-two million, five hundred fifty-nine thousand, eleven".