47522587 has 8 divisors (see below), whose sum is σ = 54353376. Its totient is φ = 40702272.

The previous prime is 47522557. The next prime is 47522639. The reversal of 47522587 is 78522574.

It is a happy number.

47522587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47522587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47522557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15333 + ... + 18169.

It is an arithmetic number, because the mean of its divisors is an integer number (6794172).

Almost surely, 2^47522587 is an apocalyptic number.

47522587 is a deficient number, since it is larger than the sum of its proper divisors (6830789).

47522587 is a wasteful number, since it uses less digits than its factorization.

47522587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237.

The product of its digits is 156800, while the sum is 40.

The square root of 47522587 is about 6893.6628144985. The cubic root of 47522587 is about 362.2152169966.

The spelling of 47522587 in words is "forty-seven million, five hundred twenty-two thousand, five hundred eighty-seven".