47536129 has 4 divisors (see below), whose sum is σ = 48547584. Its totient is φ = 46524676.

The previous prime is 47536127. The next prime is 47536163. The reversal of 47536129 is 92163574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92163574 = 2 ⋅46081787.

It is a cyclic number.

It is not a de Polignac number, because 47536129 - 2¹ = 47536127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47536121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505657 + ... + 505750.

It is an arithmetic number, because the mean of its divisors is an integer number (12136896).

Almost surely, 2^47536129 is an apocalyptic number.

It is an amenable number.

47536129 is a deficient number, since it is larger than the sum of its proper divisors (1011455).

47536129 is a wasteful number, since it uses less digits than its factorization.

47536129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011454.

The product of its digits is 45360, while the sum is 37.

The square root of 47536129 is about 6894.6449509746. The cubic root of 47536129 is about 362.2496192527.

The spelling of 47536129 in words is "forty-seven million, five hundred thirty-six thousand, one hundred twenty-nine".