53530647 has 8 divisors (see below), whose sum is σ = 71408880. Its totient is φ = 35669760.

The previous prime is 53530639. The next prime is 53530651. The reversal of 53530647 is 74603535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53530647 - 2³ = 53530639 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53530747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7429 + ... + 12737.

It is an arithmetic number, because the mean of its divisors is an integer number (8926110).

Almost surely, 2^53530647 is an apocalyptic number.

53530647 is a deficient number, since it is larger than the sum of its proper divisors (17878233).

53530647 is a wasteful number, since it uses less digits than its factorization.

53530647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8673.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 53530647 is about 7316.4641050168. The cubic root of 53530647 is about 376.8780384454.

The spelling of 53530647 in words is "fifty-three million, five hundred thirty thousand, six hundred forty-seven".