55301447 has 2 divisors, whose sum is σ = 55301448. Its totient is φ = 55301446.

The previous prime is 55301431. The next prime is 55301479. The reversal of 55301447 is 74410355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55301447 - 2⁴ = 55301431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55301047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27650723 + 27650724.

It is an arithmetic number, because the mean of its divisors is an integer number (27650724).

Almost surely, 2^55301447 is an apocalyptic number.

55301447 is a deficient number, since it is larger than the sum of its proper divisors (1).

55301447 is an equidigital number, since it uses as much as digits as its factorization.

55301447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 55301447 is about 7436.4942681347. The cubic root of 55301447 is about 380.9887615720.

The spelling of 55301447 in words is "fifty-five million, three hundred one thousand, four hundred forty-seven".