55340347 has 2 divisors, whose sum is σ = 55340348. Its totient is φ = 55340346.

The previous prime is 55340339. The next prime is 55340353. The reversal of 55340347 is 74304355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55340347 - 2³ = 55340339 is a prime.

It is not a weakly prime, because it can be changed into another prime (55340357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27670173 + 27670174.

It is an arithmetic number, because the mean of its divisors is an integer number (27670174).

Almost surely, 2^55340347 is an apocalyptic number.

55340347 is a deficient number, since it is larger than the sum of its proper divisors (1).

55340347 is an equidigital number, since it uses as much as digits as its factorization.

55340347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 55340347 is about 7439.1092880801. The cubic root of 55340347 is about 381.0780720089.

The spelling of 55340347 in words is "fifty-five million, three hundred forty thousand, three hundred forty-seven".