55293943 has 2 divisors, whose sum is σ = 55293944. Its totient is φ = 55293942.

The previous prime is 55293913. The next prime is 55293967. The reversal of 55293943 is 34939255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55293943 - 2⁹ = 55293431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55293896 and 55293905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55293913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27646971 + 27646972.

It is an arithmetic number, because the mean of its divisors is an integer number (27646972).

Almost surely, 2^55293943 is an apocalyptic number.

55293943 is a deficient number, since it is larger than the sum of its proper divisors (1).

55293943 is an equidigital number, since it uses as much as digits as its factorization.

55293943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 40.

The square root of 55293943 is about 7435.9897122037. The cubic root of 55293943 is about 380.9715283340.

The spelling of 55293943 in words is "fifty-five million, two hundred ninety-three thousand, nine hundred forty-three".