52565426 has 4 divisors (see below), whose sum is σ = 78848142. Its totient is φ = 26282712.

The previous prime is 52565423. The next prime is 52565449. The reversal of 52565426 is 62456525.

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

It can be written as a sum of positive squares in only one way, i.e., 39250225 + 13315201 = 6265^2 + 3649^2 .

It is a super-2 number, since 2×52565426² = 5526248021122952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52565423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13141355 + ... + 13141358.

Almost surely, 2^52565426 is an apocalyptic number.

52565426 is a deficient number, since it is larger than the sum of its proper divisors (26282716).

52565426 is a wasteful number, since it uses less digits than its factorization.

52565426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26282715.

The product of its digits is 72000, while the sum is 35.

The square root of 52565426 is about 7250.2017902952. The cubic root of 52565426 is about 374.5990998599.

The spelling of 52565426 in words is "fifty-two million, five hundred sixty-five thousand, four hundred twenty-six".