53851807 has 2 divisors, whose sum is σ = 53851808. Its totient is φ = 53851806.

The previous prime is 53851789. The next prime is 53851813. The reversal of 53851807 is 70815835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53851807 - 2²³ = 45463199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53851817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26925903 + 26925904.

It is an arithmetic number, because the mean of its divisors is an integer number (26925904).

Almost surely, 2^53851807 is an apocalyptic number.

53851807 is a deficient number, since it is larger than the sum of its proper divisors (1).

53851807 is an equidigital number, since it uses as much as digits as its factorization.

53851807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 53851807 is about 7338.3790444484. The cubic root of 53851807 is about 377.6302361918.

The spelling of 53851807 in words is "fifty-three million, eight hundred fifty-one thousand, eight hundred seven".