53919851 has 2 divisors, whose sum is σ = 53919852. Its totient is φ = 53919850.

The previous prime is 53919829. The next prime is 53919863. The reversal of 53919851 is 15891935.

53919851 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 a de Polignac number, because none of the positive numbers 2^k-53919851 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 53919799 and 53919808.

It is not a weakly prime, because it can be changed into another prime (53919821) 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, 26959925 + 26959926.

It is an arithmetic number, because the mean of its divisors is an integer number (26959926).

Almost surely, 2^53919851 is an apocalyptic number.

53919851 is a deficient number, since it is larger than the sum of its proper divisors (1).

53919851 is an equidigital number, since it uses as much as digits as its factorization.

53919851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 41.

The square root of 53919851 is about 7343.0137545833. The cubic root of 53919851 is about 377.7892197579.

The spelling of 53919851 in words is "fifty-three million, nine hundred nineteen thousand, eight hundred fifty-one".