55093931 has 2 divisors, whose sum is σ = 55093932. Its totient is φ = 55093930.

The previous prime is 55093921. The next prime is 55093943. The reversal of 55093931 is 13939055.

55093931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55093931 - 2⁶ = 55093867 is a prime.

It is a super-2 number, since 2×55093931² = 6070682466065522, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 55093891 and 55093900.

It is not a weakly prime, because it can be changed into another prime (55093921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27546965 + 27546966.

It is an arithmetic number, because the mean of its divisors is an integer number (27546966).

Almost surely, 2^55093931 is an apocalyptic number.

55093931 is a deficient number, since it is larger than the sum of its proper divisors (1).

55093931 is an equidigital number, since it uses as much as digits as its factorization.

55093931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 55093931 is about 7422.5286122722. The cubic root of 55093931 is about 380.5116169642.

The spelling of 55093931 in words is "fifty-five million, ninety-three thousand, nine hundred thirty-one".