47136651 has 4 divisors (see below), whose sum is σ = 62848872. Its totient is φ = 31424432.

The previous prime is 47136589. The next prime is 47136653. The reversal of 47136651 is 15663174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47136651 - 2⁹ = 47136139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47136653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7856106 + ... + 7856111.

It is an arithmetic number, because the mean of its divisors is an integer number (15712218).

Almost surely, 2^47136651 is an apocalyptic number.

47136651 is a deficient number, since it is larger than the sum of its proper divisors (15712221).

47136651 is a wasteful number, since it uses less digits than its factorization.

47136651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15712220.

The product of its digits is 15120, while the sum is 33.

The square root of 47136651 is about 6865.6136652160. The cubic root of 47136651 is about 361.2320211516.

The spelling of 47136651 in words is "forty-seven million, one hundred thirty-six thousand, six hundred fifty-one".