52065785 has 4 divisors (see below), whose sum is σ = 62478948. Its totient is φ = 41652624.

The previous prime is 52065749. The next prime is 52065787. The reversal of 52065785 is 58756025.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17397241 + 34668544 = 4171^2 + 5888^2 .

It is a cyclic number.

It is not a de Polignac number, because 52065785 - 2²⁴ = 35288569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52065787) 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, 5206574 + ... + 5206583.

It is an arithmetic number, because the mean of its divisors is an integer number (15619737).

Almost surely, 2^52065785 is an apocalyptic number.

It is an amenable number.

52065785 is a deficient number, since it is larger than the sum of its proper divisors (10413163).

52065785 is a wasteful number, since it uses less digits than its factorization.

52065785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10413162.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 52065785 is about 7215.6624782483. The cubic root of 52065785 is about 373.4084488701.

The spelling of 52065785 in words is "fifty-two million, sixty-five thousand, seven hundred eighty-five".