52685047 has 4 divisors (see below), whose sum is σ = 52747240. Its totient is φ = 52622856.

The previous prime is 52685033. The next prime is 52685069. The reversal of 52685047 is 74058625.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52685047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52684997 and 52685015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52688047) 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, 29808 + ... + 31525.

It is an arithmetic number, because the mean of its divisors is an integer number (13186810).

Almost surely, 2^52685047 is an apocalyptic number.

52685047 is a deficient number, since it is larger than the sum of its proper divisors (62193).

52685047 is an equidigital number, since it uses as much as digits as its factorization.

52685047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62192.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 52685047 is about 7258.4465968966. The cubic root of 52685047 is about 374.8830378938.

The spelling of 52685047 in words is "fifty-two million, six hundred eighty-five thousand, forty-seven".