47537533 has 4 divisors (see below), whose sum is σ = 47583900. Its totient is φ = 47491168.

The previous prime is 47537521. The next prime is 47537551. The reversal of 47537533 is 33573574.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31832164 + 15705369 = 5642^2 + 3963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47537533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47537492 and 47537501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47537233) 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, 21610 + ... + 23707.

It is an arithmetic number, because the mean of its divisors is an integer number (11895975).

Almost surely, 2^47537533 is an apocalyptic number.

It is an amenable number.

47537533 is a deficient number, since it is larger than the sum of its proper divisors (46367).

47537533 is a wasteful number, since it uses less digits than its factorization.

47537533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46366.

The product of its digits is 132300, while the sum is 37.

The square root of 47537533 is about 6894.7467683737. The cubic root of 47537533 is about 362.2531856169.

The spelling of 47537533 in words is "forty-seven million, five hundred thirty-seven thousand, five hundred thirty-three".