53860691 has 2 divisors, whose sum is σ = 53860692. Its totient is φ = 53860690.

The previous prime is 53860679. The next prime is 53860759. The reversal of 53860691 is 19606835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53860691 - 2¹⁰ = 53859667 is a prime.

It is not a weakly prime, because it can be changed into another prime (53860661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26930345 + 26930346.

It is an arithmetic number, because the mean of its divisors is an integer number (26930346).

Almost surely, 2^53860691 is an apocalyptic number.

53860691 is a deficient number, since it is larger than the sum of its proper divisors (1).

53860691 is an equidigital number, since it uses as much as digits as its factorization.

53860691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 53860691 is about 7338.9843302735. The cubic root of 53860691 is about 377.6510010942.

The spelling of 53860691 in words is "fifty-three million, eight hundred sixty thousand, six hundred ninety-one".