53538047 has 4 divisors (see below), whose sum is σ = 54292176. Its totient is φ = 52783920.

The previous prime is 53538013. The next prime is 53538059. The reversal of 53538047 is 74083535.

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 53538047 - 2¹² = 53533951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53537998 and 53538016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53538077) 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, 376958 + ... + 377099.

It is an arithmetic number, because the mean of its divisors is an integer number (13573044).

Almost surely, 2^53538047 is an apocalyptic number.

53538047 is a deficient number, since it is larger than the sum of its proper divisors (754129).

53538047 is an equidigital number, since it uses as much as digits as its factorization.

53538047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754128.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 53538047 is about 7316.9697963023. The cubic root of 53538047 is about 376.8954040054.

The spelling of 53538047 in words is "fifty-three million, five hundred thirty-eight thousand, forty-seven".