53856967 has 2 divisors, whose sum is σ = 53856968. Its totient is φ = 53856966.

The previous prime is 53856947. The next prime is 53856997. The reversal of 53856967 is 76965835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53856967 - 2²³ = 45468359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53856967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53856947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26928483 + 26928484.

It is an arithmetic number, because the mean of its divisors is an integer number (26928484).

Almost surely, 2^53856967 is an apocalyptic number.

53856967 is a deficient number, since it is larger than the sum of its proper divisors (1).

53856967 is an equidigital number, since it uses as much as digits as its factorization.

53856967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The square root of 53856967 is about 7338.7306123062. The cubic root of 53856967 is about 377.6422971290.

The spelling of 53856967 in words is "fifty-three million, eight hundred fifty-six thousand, nine hundred sixty-seven".