55107307 has 2 divisors, whose sum is σ = 55107308. Its totient is φ = 55107306.

The previous prime is 55107293. The next prime is 55107313. The reversal of 55107307 is 70370155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55107307 - 2¹⁹ = 54583019 is a prime.

It is not a weakly prime, because it can be changed into another prime (55107397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27553653 + 27553654.

It is an arithmetic number, because the mean of its divisors is an integer number (27553654).

Almost surely, 2^55107307 is an apocalyptic number.

55107307 is a deficient number, since it is larger than the sum of its proper divisors (1).

55107307 is an equidigital number, since it uses as much as digits as its factorization.

55107307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 55107307 is about 7423.4295982383. The cubic root of 55107307 is about 380.5424086894.

The spelling of 55107307 in words is "fifty-five million, one hundred seven thousand, three hundred seven".