55970323 has 2 divisors, whose sum is σ = 55970324. Its totient is φ = 55970322.

The previous prime is 55970311. The next prime is 55970329. The reversal of 55970323 is 32307955.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55970323 is a prime.

It is not a weakly prime, because it can be changed into another prime (55970329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27985161 + 27985162.

It is an arithmetic number, because the mean of its divisors is an integer number (27985162).

Almost surely, 2^55970323 is an apocalyptic number.

55970323 is a deficient number, since it is larger than the sum of its proper divisors (1).

55970323 is an equidigital number, since it uses as much as digits as its factorization.

55970323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 55970323 is about 7481.3316328044. The cubic root of 55970323 is about 382.5186412092.

The spelling of 55970323 in words is "fifty-five million, nine hundred seventy thousand, three hundred twenty-three".