52678039 has 4 divisors (see below), whose sum is σ = 52693624. Its totient is φ = 52662456.

The previous prime is 52678033. The next prime is 52678057. The reversal of 52678039 is 93087625.

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 52678039 - 2¹¹ = 52675991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52677992 and 52678010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52678033) 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, 357 + ... + 10270.

It is an arithmetic number, because the mean of its divisors is an integer number (13173406).

Almost surely, 2^52678039 is an apocalyptic number.

52678039 is a deficient number, since it is larger than the sum of its proper divisors (15585).

52678039 is a wasteful number, since it uses less digits than its factorization.

52678039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15584.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 52678039 is about 7257.9638329217. The cubic root of 52678039 is about 374.8664152341.

The spelling of 52678039 in words is "fifty-two million, six hundred seventy-eight thousand, thirty-nine".