52851807 has 12 divisors (see below), whose sum is σ = 78804544. Its totient is φ = 34097760.

The previous prime is 52851779. The next prime is 52851823. The reversal of 52851807 is 70815825.

52851807 is a `hidden beast` number, since 528 + 51 + 80 + 7 = 666.

It is not a de Polignac number, because 52851807 - 2⁷ = 52851679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52851107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94438 + ... + 94995.

Almost surely, 2^52851807 is an apocalyptic number.

52851807 is a deficient number, since it is larger than the sum of its proper divisors (25952737).

52851807 is a wasteful number, since it uses less digits than its factorization.

52851807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189470 (or 189467 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 52851807 is about 7269.9248276719. The cubic root of 52851807 is about 375.2781509678.

The spelling of 52851807 in words is "fifty-two million, eight hundred fifty-one thousand, eight hundred seven".