52565541 has 8 divisors (see below), whose sum is σ = 80099904. Its totient is φ = 30037440.

The previous prime is 52565509. The next prime is 52565543. The reversal of 52565541 is 14556525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52565541 - 2⁵ = 52565509 is a prime.

It is a super-2 number, since 2×52565541² = 5526272201245362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52565543) 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, 1251540 + ... + 1251581.

It is an arithmetic number, because the mean of its divisors is an integer number (10012488).

Almost surely, 2^52565541 is an apocalyptic number.

It is an amenable number.

52565541 is a deficient number, since it is larger than the sum of its proper divisors (27534363).

52565541 is a wasteful number, since it uses less digits than its factorization.

52565541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503131.

The product of its digits is 30000, while the sum is 33.

The square root of 52565541 is about 7250.2097211046. The cubic root of 52565541 is about 374.5993730361.

It can be divided in two parts, 525 and 65541, that added together give a palindrome (66066).

The spelling of 52565541 in words is "fifty-two million, five hundred sixty-five thousand, five hundred forty-one".