55194793 has 2 divisors, whose sum is σ = 55194794. Its totient is φ = 55194792.

The previous prime is 55194731. The next prime is 55194809. The reversal of 55194793 is 39749155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54937744 + 257049 = 7412^2 + 507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55194793 is a prime.

It is not a weakly prime, because it can be changed into another prime (55194703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27597396 + 27597397.

It is an arithmetic number, because the mean of its divisors is an integer number (27597397).

Almost surely, 2^55194793 is an apocalyptic number.

It is an amenable number.

55194793 is a deficient number, since it is larger than the sum of its proper divisors (1).

55194793 is an equidigital number, since it uses as much as digits as its factorization.

55194793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 43.

The square root of 55194793 is about 7429.3198208181. The cubic root of 55194793 is about 380.7436798261.

The spelling of 55194793 in words is "fifty-five million, one hundred ninety-four thousand, seven hundred ninety-three".