55654199 has 2 divisors, whose sum is σ = 55654200. Its totient is φ = 55654198.

The previous prime is 55654177. The next prime is 55654223. The reversal of 55654199 is 99145655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55654199 - 2²⁰ = 54605623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55654129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27827099 + 27827100.

It is an arithmetic number, because the mean of its divisors is an integer number (27827100).

Almost surely, 2^55654199 is an apocalyptic number.

55654199 is a deficient number, since it is larger than the sum of its proper divisors (1).

55654199 is an equidigital number, since it uses as much as digits as its factorization.

55654199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 44.

The square root of 55654199 is about 7460.1741936767. The cubic root of 55654199 is about 381.7971177636.

The spelling of 55654199 in words is "fifty-five million, six hundred fifty-four thousand, one hundred ninety-nine".