47537 has 4 divisors (see below), whose sum is σ = 54336. Its totient is φ = 40740.

The previous prime is 47533. The next prime is 47543. The reversal of 47537 is 73574.

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: 73574 = 2 ⋅36787.

It is not a de Polignac number, because 47537 - 2² = 47533 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47537.

It is not an unprimeable number, because it can be changed into a prime (47533) 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, 3389 + ... + 3402.

It is an arithmetic number, because the mean of its divisors is an integer number (13584).

2⁴⁷⁵³⁷ is an apocalyptic number.

It is an amenable number.

47537 is a deficient number, since it is larger than the sum of its proper divisors (6799).

47537 is an equidigital number, since it uses as much as digits as its factorization.

47537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6798.

The product of its digits is 2940, while the sum is 26.

The square root of 47537 is about 218.0298144750. The cubic root of 47537 is about 36.2251831728.

It can be divided in two parts, 475 and 37, that added together give a 9-th power (512 = 2⁹).

The spelling of 47537 in words is "forty-seven thousand, five hundred thirty-seven".