47561187 has 8 divisors (see below), whose sum is σ = 63544000. Its totient is φ = 31642920.

The previous prime is 47561167. The next prime is 47561201. The reversal of 47561187 is 78116574.

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

It is a de Polignac number, because none of the positive numbers 2^k-47561187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47561117) 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, 14389 + ... + 17382.

It is an arithmetic number, because the mean of its divisors is an integer number (7943000).

Almost surely, 2^47561187 is an apocalyptic number.

47561187 is a deficient number, since it is larger than the sum of its proper divisors (15982813).

47561187 is a wasteful number, since it uses less digits than its factorization.

47561187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32273.

The product of its digits is 47040, while the sum is 39.

The square root of 47561187 is about 6896.4619189843. The cubic root of 47561187 is about 362.3132596642.

The spelling of 47561187 in words is "forty-seven million, five hundred sixty-one thousand, one hundred eighty-seven".