52561543 has 8 divisors (see below), whose sum is σ = 57236400. Its totient is φ = 48077568.

The previous prime is 52561541. The next prime is 52561573. The reversal of 52561543 is 34516525.

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

It is a cyclic number.

It is not a de Polignac number, because 52561543 - 2¹ = 52561541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52561541) 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, 47146 + ... + 48247.

It is an arithmetic number, because the mean of its divisors is an integer number (7154550).

Almost surely, 2^52561543 is an apocalyptic number.

52561543 is a deficient number, since it is larger than the sum of its proper divisors (4674857).

52561543 is a wasteful number, since it uses less digits than its factorization.

52561543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95441.

The product of its digits is 18000, while the sum is 31.

The square root of 52561543 is about 7249.9339996996. The cubic root of 52561543 is about 374.5898757733.

The spelling of 52561543 in words is "fifty-two million, five hundred sixty-one thousand, five hundred forty-three".