52561545 has 8 divisors (see below), whose sum is σ = 84098496. Its totient is φ = 28032816.

The previous prime is 52561541. The next prime is 52561573. The reversal of 52561545 is 54516525.

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

It is not a de Polignac number, because 52561545 - 2² = 52561541 is a prime.

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, 1752037 + ... + 1752066.

It is an arithmetic number, because the mean of its divisors is an integer number (10512312).

Almost surely, 2^52561545 is an apocalyptic number.

It is an amenable number.

52561545 is a deficient number, since it is larger than the sum of its proper divisors (31536951).

52561545 is a wasteful number, since it uses less digits than its factorization.

52561545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504111.

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

The square root of 52561545 is about 7249.9341376319. The cubic root of 52561545 is about 374.5898805244.

The spelling of 52561545 in words is "fifty-two million, five hundred sixty-one thousand, five hundred forty-five".