55086793 has 2 divisors, whose sum is σ = 55086794. Its totient is φ = 55086792.

The previous prime is 55086781. The next prime is 55086839. The reversal of 55086793 is 39768055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28430224 + 26656569 = 5332^2 + 5163^2 .

It is a cyclic number.

It is not a de Polignac number, because 55086793 - 2⁵ = 55086761 is a prime.

It is not a weakly prime, because it can be changed into another prime (55086293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27543396 + 27543397.

It is an arithmetic number, because the mean of its divisors is an integer number (27543397).

Almost surely, 2^55086793 is an apocalyptic number.

It is an amenable number.

55086793 is a deficient number, since it is larger than the sum of its proper divisors (1).

55086793 is an equidigital number, since it uses as much as digits as its factorization.

55086793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 55086793 is about 7422.0477632524. The cubic root of 55086793 is about 380.4951831563.

The spelling of 55086793 in words is "fifty-five million, eighty-six thousand, seven hundred ninety-three".