42553259 has 4 divisors (see below), whose sum is σ = 48632304. Its totient is φ = 36474216.

The previous prime is 42553249. The next prime is 42553267. The reversal of 42553259 is 95235524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42553259 - 2²⁴ = 25776043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42553249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3039512 + ... + 3039525.

It is an arithmetic number, because the mean of its divisors is an integer number (12158076).

Almost surely, 2^42553259 is an apocalyptic number.

42553259 is a deficient number, since it is larger than the sum of its proper divisors (6079045).

42553259 is an equidigital number, since it uses as much as digits as its factorization.

42553259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079044.

The product of its digits is 54000, while the sum is 35.

The square root of 42553259 is about 6523.2859051248. The cubic root of 42553259 is about 349.1223151808.

The spelling of 42553259 in words is "forty-two million, five hundred fifty-three thousand, two hundred fifty-nine".