52785107 has 4 divisors (see below), whose sum is σ = 52813176. Its totient is φ = 52757040.

The previous prime is 52785091. The next prime is 52785121. The reversal of 52785107 is 70158725.

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 52785107 - 2⁴ = 52785091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52785907) 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, 10994 + ... + 15047.

It is an arithmetic number, because the mean of its divisors is an integer number (13203294).

Almost surely, 2^52785107 is an apocalyptic number.

52785107 is a deficient number, since it is larger than the sum of its proper divisors (28069).

52785107 is a wasteful number, since it uses less digits than its factorization.

52785107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28068.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 52785107 is about 7265.3359867249. The cubic root of 52785107 is about 375.1202150877.

The spelling of 52785107 in words is "fifty-two million, seven hundred eighty-five thousand, one hundred seven".