42556935 has 16 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 22532640.

The previous prime is 42556931. The next prime is 42556939. The reversal of 42556935 is 53965524.

It is an interprime number because it is at equal distance from previous prime (42556931) and next prime (42556939).

It is not a de Polignac number, because 42556935 - 2² = 42556931 is a prime.

It is a super-2 number, since 2×42556935² = 3622185433188450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42556893 and 42556902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42556931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8121 + ... + 12290.

It is an arithmetic number, because the mean of its divisors is an integer number (4286520).

Almost surely, 2^42556935 is an apocalyptic number.

42556935 is a deficient number, since it is larger than the sum of its proper divisors (26027385).

42556935 is a wasteful number, since it uses less digits than its factorization.

42556935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20558.

The product of its digits is 162000, while the sum is 39.

The square root of 42556935 is about 6523.5676588811. The cubic root of 42556935 is about 349.1323679688.

The spelling of 42556935 in words is "forty-two million, five hundred fifty-six thousand, nine hundred thirty-five".