55336447 has 2 divisors, whose sum is σ = 55336448. Its totient is φ = 55336446.

The previous prime is 55336433. The next prime is 55336451. The reversal of 55336447 is 74463355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55336447 - 2¹¹ = 55334399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55366447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27668223 + 27668224.

It is an arithmetic number, because the mean of its divisors is an integer number (27668224).

Almost surely, 2^55336447 is an apocalyptic number.

55336447 is a deficient number, since it is larger than the sum of its proper divisors (1).

55336447 is an equidigital number, since it uses as much as digits as its factorization.

55336447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 37.

The square root of 55336447 is about 7438.8471553057. The cubic root of 55336447 is about 381.0691198943.

The spelling of 55336447 in words is "fifty-five million, three hundred thirty-six thousand, four hundred forty-seven".