55595443 has 2 divisors, whose sum is σ = 55595444. Its totient is φ = 55595442.

The previous prime is 55595411. The next prime is 55595447. The reversal of 55595443 is 34459555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55595443 - 2⁵ = 55595411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55595396 and 55595405.

It is not a weakly prime, because it can be changed into another prime (55595447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27797721 + 27797722.

It is an arithmetic number, because the mean of its divisors is an integer number (27797722).

Almost surely, 2^55595443 is an apocalyptic number.

55595443 is a deficient number, since it is larger than the sum of its proper divisors (1).

55595443 is an equidigital number, since it uses as much as digits as its factorization.

55595443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 40.

The square root of 55595443 is about 7456.2351760121. The cubic root of 55595443 is about 381.6627117897.

The spelling of 55595443 in words is "fifty-five million, five hundred ninety-five thousand, four hundred forty-three".