53538547 has 4 divisors (see below), whose sum is σ = 54446040. Its totient is φ = 52631056.

The previous prime is 53538539. The next prime is 53538557. The reversal of 53538547 is 74583535.

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 53538547 - 2³ = 53538539 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53538557) 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, 453658 + ... + 453775.

It is an arithmetic number, because the mean of its divisors is an integer number (13611510).

Almost surely, 2^53538547 is an apocalyptic number.

53538547 is a deficient number, since it is larger than the sum of its proper divisors (907493).

53538547 is an equidigital number, since it uses as much as digits as its factorization.

53538547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907492.

The product of its digits is 252000, while the sum is 40.

The square root of 53538547 is about 7317.0039633719. The cubic root of 53538547 is about 376.8965772963.

The spelling of 53538547 in words is "fifty-three million, five hundred thirty-eight thousand, five hundred forty-seven".