53780851 has 2 divisors, whose sum is σ = 53780852. Its totient is φ = 53780850.

The previous prime is 53780813. The next prime is 53780861. The reversal of 53780851 is 15808735.

53780851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53780851 - 2⁹ = 53780339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53780851.

It is not a weakly prime, because it can be changed into another prime (53780861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26890425 + 26890426.

It is an arithmetic number, because the mean of its divisors is an integer number (26890426).

Almost surely, 2^53780851 is an apocalyptic number.

53780851 is a deficient number, since it is larger than the sum of its proper divisors (1).

53780851 is an equidigital number, since it uses as much as digits as its factorization.

53780851 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 53780851 is about 7333.5428682186. The cubic root of 53780851 is about 377.4643060852.

The spelling of 53780851 in words is "fifty-three million, seven hundred eighty thousand, eight hundred fifty-one".