42556827 has 16 divisors (see below), whose sum is σ = 60860160. Its totient is φ = 26368992.

The previous prime is 42556823. The next prime is 42556841. The reversal of 42556827 is 72865524.

It is not a de Polignac number, because 42556827 - 2² = 42556823 is a prime.

It is a super-2 number, since 2×42556827² = 3622167048615858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42556823) 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, 4023 + ... + 10064.

It is an arithmetic number, because the mean of its divisors is an integer number (3803760).

Almost surely, 2^42556827 is an apocalyptic number.

42556827 is a deficient number, since it is larger than the sum of its proper divisors (18303333).

42556827 is a wasteful number, since it uses less digits than its factorization.

42556827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14162.

The product of its digits is 134400, while the sum is 39.

The square root of 42556827 is about 6523.5593811967. The cubic root of 42556827 is about 349.1320726285.

The spelling of 42556827 in words is "forty-two million, five hundred fifty-six thousand, eight hundred twenty-seven".