47136503 has 4 divisors (see below), whose sum is σ = 47425848. Its totient is φ = 46847160.

The previous prime is 47136497. The next prime is 47136521. The reversal of 47136503 is 30563174.

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 47136503 - 2⁴ = 47136487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47136553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144428 + ... + 144753.

It is an arithmetic number, because the mean of its divisors is an integer number (11856462).

Almost surely, 2^47136503 is an apocalyptic number.

47136503 is a deficient number, since it is larger than the sum of its proper divisors (289345).

47136503 is a wasteful number, since it uses less digits than its factorization.

47136503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289344.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 47136503 is about 6865.6028868556. The cubic root of 47136503 is about 361.2316430849.

Adding to 47136503 its reverse (30563174), we get a palindrome (77699677).

The spelling of 47136503 in words is "forty-seven million, one hundred thirty-six thousand, five hundred three".