55302307 has 2 divisors, whose sum is σ = 55302308. Its totient is φ = 55302306.

The previous prime is 55302283. The next prime is 55302323. The reversal of 55302307 is 70320355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55302307 is a prime.

It is not a weakly prime, because it can be changed into another prime (55302347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27651153 + 27651154.

It is an arithmetic number, because the mean of its divisors is an integer number (27651154).

Almost surely, 2^55302307 is an apocalyptic number.

55302307 is a deficient number, since it is larger than the sum of its proper divisors (1).

55302307 is an equidigital number, since it uses as much as digits as its factorization.

55302307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 55302307 is about 7436.5520908550. The cubic root of 55302307 is about 380.9907364970.

The spelling of 55302307 in words is "fifty-five million, three hundred two thousand, three hundred seven".