42556875 has 20 divisors (see below), whose sum is σ = 70908552. Its totient is φ = 22696000.

The previous prime is 42556873. The next prime is 42556879. The reversal of 42556875 is 57865524.

It is not a de Polignac number, because 42556875 - 2¹ = 42556873 is a prime.

It is a super-2 number, since 2×42556875² = 3622175219531250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42556873) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9474 + ... + 13223.

Almost surely, 2^42556875 is an apocalyptic number.

42556875 is a deficient number, since it is larger than the sum of its proper divisors (28351677).

42556875 is an equidigital number, since it uses as much as digits as its factorization.

42556875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22720 (or 22705 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 42556875 is about 6523.5630601689. The cubic root of 42556875 is about 349.1322038909.

The spelling of 42556875 in words is "forty-two million, five hundred fifty-six thousand, eight hundred seventy-five".