42534556 has 24 divisors (see below), whose sum is σ = 75746160. Its totient is φ = 20896512.

The previous prime is 42534553. The next prime is 42534581. The reversal of 42534556 is 65543524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62490 + ... + 63166.

It is an arithmetic number, because the mean of its divisors is an integer number (3156090).

Almost surely, 2^42534556 is an apocalyptic number.

It is an amenable number.

42534556 is a deficient number, since it is larger than the sum of its proper divisors (33211604).

42534556 is a wasteful number, since it uses less digits than its factorization.

42534556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 931 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 42534556 is about 6521.8521909041. The cubic root of 42534556 is about 349.0711589616.

The spelling of 42534556 in words is "forty-two million, five hundred thirty-four thousand, five hundred fifty-six".