52565442 has 16 divisors (see below), whose sum is σ = 109702080. Its totient is φ = 16759952.

The previous prime is 52565423. The next prime is 52565449. The reversal of 52565442 is 24456525.

It is not an unprimeable number, because it can be changed into a prime (52565449) 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, 190317 + ... + 190592.

It is an arithmetic number, because the mean of its divisors is an integer number (6856380).

Almost surely, 2^52565442 is an apocalyptic number.

52565442 is an abundant number, since it is smaller than the sum of its proper divisors (57136638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52565442 is a wasteful number, since it uses less digits than its factorization.

52565442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380937.

The product of its digits is 48000, while the sum is 33.

The square root of 52565442 is about 7250.2028937127. The cubic root of 52565442 is about 374.5991378670.

The spelling of 52565442 in words is "fifty-two million, five hundred sixty-five thousand, four hundred forty-two".