55656023 has 2 divisors, whose sum is σ = 55656024. Its totient is φ = 55656022.

The previous prime is 55656019. The next prime is 55656043. The reversal of 55656023 is 32065655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55656023 - 2² = 55656019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55656043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27828011 + 27828012.

It is an arithmetic number, because the mean of its divisors is an integer number (27828012).

Almost surely, 2^55656023 is an apocalyptic number.

55656023 is a deficient number, since it is larger than the sum of its proper divisors (1).

55656023 is an equidigital number, since it uses as much as digits as its factorization.

55656023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 55656023 is about 7460.2964418312. The cubic root of 55656023 is about 381.8012886998.

The spelling of 55656023 in words is "fifty-five million, six hundred fifty-six thousand, twenty-three".