55646119 has 2 divisors, whose sum is σ = 55646120. Its totient is φ = 55646118.

The previous prime is 55646111. The next prime is 55646137. The reversal of 55646119 is 91164655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55646119 - 2³ = 55646111 is a prime.

It is a super-2 number, since 2×55646119² = 6192981119524322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55646111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27823059 + 27823060.

It is an arithmetic number, because the mean of its divisors is an integer number (27823060).

Almost surely, 2^55646119 is an apocalyptic number.

55646119 is a deficient number, since it is larger than the sum of its proper divisors (1).

55646119 is an equidigital number, since it uses as much as digits as its factorization.

55646119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 37.

The square root of 55646119 is about 7459.6326317051. The cubic root of 55646119 is about 381.7786401520.

The spelling of 55646119 in words is "fifty-five million, six hundred forty-six thousand, one hundred nineteen".