52565545 has 8 divisors (see below), whose sum is σ = 65253960. Its totient is φ = 40602240.

The previous prime is 52565543. The next prime is 52565549. The reversal of 52565545 is 54556525.

It can be written as a sum of positive squares in 4 ways, for example, as 32041 + 52533504 = 179^2 + 7248^2 .

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

It is not a de Polignac number, because 52565545 - 2¹ = 52565543 is a prime.

It is a super-2 number, since 2×52565545² = 5526273042294050, which contains 22 as substring.

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, 181116 + ... + 181405.

It is an arithmetic number, because the mean of its divisors is an integer number (8156745).

Almost surely, 2^52565545 is an apocalyptic number.

It is an amenable number.

52565545 is a deficient number, since it is larger than the sum of its proper divisors (12688415).

52565545 is a wasteful number, since it uses less digits than its factorization.

52565545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362555.

The product of its digits is 150000, while the sum is 37.

The square root of 52565545 is about 7250.2099969587. The cubic root of 52565545 is about 374.5993825378.

It can be divided in two parts, 5256 and 5545, that added together give a palindrome (10801).

The spelling of 52565545 in words is "fifty-two million, five hundred sixty-five thousand, five hundred forty-five".