55093943 has 2 divisors, whose sum is σ = 55093944. Its totient is φ = 55093942.

The previous prime is 55093931. The next prime is 55093949. The reversal of 55093943 is 34939055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55093943 - 2¹² = 55089847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55093897 and 55093906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55093949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27546971 + 27546972.

It is an arithmetic number, because the mean of its divisors is an integer number (27546972).

Almost surely, 2^55093943 is an apocalyptic number.

55093943 is a deficient number, since it is larger than the sum of its proper divisors (1).

55093943 is an equidigital number, since it uses as much as digits as its factorization.

55093943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 55093943 is about 7422.5294206221. The cubic root of 55093943 is about 380.5116445906.

The spelling of 55093943 in words is "fifty-five million, ninety-three thousand, nine hundred forty-three".