52561187 has 8 divisors (see below), whose sum is σ = 62681856. Its totient is φ = 43093512.

The previous prime is 52561183. The next prime is 52561193. The reversal of 52561187 is 78116525.

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

It is not a de Polignac number, because 52561187 - 2² = 52561183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52561183) 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, 163073 + ... + 163394.

It is an arithmetic number, because the mean of its divisors is an integer number (7835232).

Almost surely, 2^52561187 is an apocalyptic number.

52561187 is a deficient number, since it is larger than the sum of its proper divisors (10120669).

52561187 is a wasteful number, since it uses less digits than its factorization.

52561187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326497.

The product of its digits is 16800, while the sum is 35.

The square root of 52561187 is about 7249.9094477104. The cubic root of 52561187 is about 374.5890300707.

The spelling of 52561187 in words is "fifty-two million, five hundred sixty-one thousand, one hundred eighty-seven".