52445541 has 4 divisors (see below), whose sum is σ = 69927392. Its totient is φ = 34963692.

The previous prime is 52445531. The next prime is 52445551. The reversal of 52445541 is 14554425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52445531) and next prime (52445551).

It is not a de Polignac number, because 52445541 - 2¹⁰ = 52444517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52445499 and 52445508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52445531) 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, 8740921 + ... + 8740926.

It is an arithmetic number, because the mean of its divisors is an integer number (17481848).

Almost surely, 2^52445541 is an apocalyptic number.

It is an amenable number.

52445541 is a deficient number, since it is larger than the sum of its proper divisors (17481851).

52445541 is a wasteful number, since it uses less digits than its factorization.

52445541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17481850.

The product of its digits is 16000, while the sum is 30.

The square root of 52445541 is about 7241.9293699953. The cubic root of 52445541 is about 374.3141026622.

Adding to 52445541 its reverse (14554425), we get a palindrome (66999966).

The spelling of 52445541 in words is "fifty-two million, four hundred forty-five thousand, five hundred forty-one".