52578847 has 4 divisors (see below), whose sum is σ = 52612056. Its totient is φ = 52545640.

The previous prime is 52578839. The next prime is 52578857. The reversal of 52578847 is 74887525.

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 52578847 - 2³ = 52578839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52578797 and 52578806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52578817) 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, 14104 + ... + 17437.

It is an arithmetic number, because the mean of its divisors is an integer number (13153014).

Almost surely, 2^52578847 is an apocalyptic number.

52578847 is a deficient number, since it is larger than the sum of its proper divisors (33209).

52578847 is a wasteful number, since it uses less digits than its factorization.

52578847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33208.

The product of its digits is 627200, while the sum is 46.

The square root of 52578847 is about 7251.1272916699. The cubic root of 52578847 is about 374.6309780169.

The spelling of 52578847 in words is "fifty-two million, five hundred seventy-eight thousand, eight hundred forty-seven".